Finding the Fourth Proportional to 125,463.92, 173,138.52 and 71,757.68
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Solution
The fourth proportional to 125,463.92, 173,138.52 and 71,757.68 is: 99,024.63
Step by Step Solution
- Step 1: Write the proportion equation
125,463.92 : 173,138.52 = 71,757.68 : x - Step 2: Convert to fraction form
125,463.92/173,138.52 = 71,757.68/x - Step 3: Cross multiply
125,463.92x = 173,138.52 × 71,757.68 - Step 4: Simplify right side
125,463.92x = 12,424,018,513.83 - Step 5: Solve for x
x = 12,424,018,513.83/125,463.92 - Step 6: Final answer
x = 99,024.63
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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.