Finding the Fourth Proportional to 131,892.71, 197,114.97 and 96,428.68
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Solution
The fourth proportional to 131,892.71, 197,114.97 and 96,428.68 is: 144,113.62
Step by Step Solution
- Step 1: Write the proportion equation
131,892.71 : 197,114.97 = 96,428.68 : x - Step 2: Convert to fraction form
131,892.71/197,114.97 = 96,428.68/x - Step 3: Cross multiply
131,892.71x = 197,114.97 × 96,428.68 - Step 4: Simplify right side
131,892.71x = 19,007,535,691.75 - Step 5: Solve for x
x = 19,007,535,691.75/131,892.71 - Step 6: Final answer
x = 144,113.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.