Finding the Fourth Proportional to 125,157.29, 187,789.70 and 83,052.08
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Solution
The fourth proportional to 125,157.29, 187,789.70 and 83,052.08 is: 124,613.79
Step by Step Solution
- Step 1: Write the proportion equation
125,157.29 : 187,789.70 = 83,052.08 : x - Step 2: Convert to fraction form
125,157.29/187,789.70 = 83,052.08/x - Step 3: Cross multiply
125,157.29x = 187,789.70 × 83,052.08 - Step 4: Simplify right side
125,157.29x = 15,596,324,456.26 - Step 5: Solve for x
x = 15,596,324,456.26/125,157.29 - Step 6: Final answer
x = 124,613.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.