Finding the Fourth Proportional to 192,115.28, 265,123.08 and 107,235.92
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Solution
The fourth proportional to 192,115.28, 265,123.08 and 107,235.92 is: 147,987.80
Step by Step Solution
- Step 1: Write the proportion equation
192,115.28 : 265,123.08 = 107,235.92 : x - Step 2: Convert to fraction form
192,115.28/265,123.08 = 107,235.92/x - Step 3: Cross multiply
192,115.28x = 265,123.08 × 107,235.92 - Step 4: Simplify right side
192,115.28x = 28,430,717,397.03 - Step 5: Solve for x
x = 28,430,717,397.03/192,115.28 - Step 6: Final answer
x = 147,987.80
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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.