Explanation:

- Gautamiputra Satakarni was a prominent ruler of the Satavahana dynasty.

- Satavahanas: An ancient Indian dynasty that ruled large parts of central and southern India. Gautamiputra Satakarni expanded and consolidated this empire.

- Mauryan: The Mauryan Empire was founded by Chandragupta Maurya. Famous rulers include Ashoka the Great. It predates the Satavahana dynasty.

- Eastern Ganga: This dynasty ruled parts of Eastern India, particularly Odisha, much later than Gautamiputra's era.

- Parthian: This refers to a historical empire in ancient Iran, unrelated to Indian kings like Gautamiputra.

Answer: Option 3 - Satavahana