Finding the Fourth Proportional to 113,992.18, 157,305.99 and 63,691.18
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Solution
The fourth proportional to 113,992.18, 157,305.99 and 63,691.18 is: 87,892.03
Step by Step Solution
- Step 1: Write the proportion equation
113,992.18 : 157,305.99 = 63,691.18 : x - Step 2: Convert to fraction form
113,992.18/157,305.99 = 63,691.18/x - Step 3: Cross multiply
113,992.18x = 157,305.99 × 63,691.18 - Step 4: Simplify right side
113,992.18x = 10,019,004,124.17 - Step 5: Solve for x
x = 10,019,004,124.17/113,992.18 - Step 6: Final answer
x = 87,892.03
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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.