Finding the Fourth Proportional to 116,812.17, 161,202.49 and 69,069.96
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Solution
The fourth proportional to 116,812.17, 161,202.49 and 69,069.96 is: 95,317.55
Step by Step Solution
- Step 1: Write the proportion equation
116,812.17 : 161,202.49 = 69,069.96 : x - Step 2: Convert to fraction form
116,812.17/161,202.49 = 69,069.96/x - Step 3: Cross multiply
116,812.17x = 161,202.49 × 69,069.96 - Step 4: Simplify right side
116,812.17x = 11,134,249,363.53 - Step 5: Solve for x
x = 11,134,249,363.53/116,812.17 - Step 6: Final answer
x = 95,317.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.