Finding the Fourth Proportional to 173,731.20, 239,754.92 and 102,110.20
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Solution
The fourth proportional to 173,731.20, 239,754.92 and 102,110.20 is: 140,915.52
Step by Step Solution
- Step 1: Write the proportion equation
173,731.20 : 239,754.92 = 102,110.20 : x - Step 2: Convert to fraction form
173,731.20/239,754.92 = 102,110.20/x - Step 3: Cross multiply
173,731.20x = 239,754.92 × 102,110.20 - Step 4: Simplify right side
173,731.20x = 24,481,422,832.18 - Step 5: Solve for x
x = 24,481,422,832.18/173,731.20 - Step 6: Final answer
x = 140,915.52
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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.