Finding the Fourth Proportional to 112,326.78, 155,007.99 and 62,024.70
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Solution
The fourth proportional to 112,326.78, 155,007.99 and 62,024.70 is: 85,592.45
Step by Step Solution
- Step 1: Write the proportion equation
112,326.78 : 155,007.99 = 62,024.70 : x - Step 2: Convert to fraction form
112,326.78/155,007.99 = 62,024.70/x - Step 3: Cross multiply
112,326.78x = 155,007.99 × 62,024.70 - Step 4: Simplify right side
112,326.78x = 9,614,324,077.35 - Step 5: Solve for x
x = 9,614,324,077.35/112,326.78 - Step 6: Final answer
x = 85,592.45
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1.5x scale
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.