Finding the Fourth Proportional to 125,344.26, 187,922.87 and 75,412.65
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Solution
The fourth proportional to 125,344.26, 187,922.87 and 75,412.65 is: 113,062.71
Step by Step Solution
- Step 1: Write the proportion equation
125,344.26 : 187,922.87 = 75,412.65 : x - Step 2: Convert to fraction form
125,344.26/187,922.87 = 75,412.65/x - Step 3: Cross multiply
125,344.26x = 187,922.87 × 75,412.65 - Step 4: Simplify right side
125,344.26x = 14,171,761,245.24 - Step 5: Solve for x
x = 14,171,761,245.24/125,344.26 - Step 6: Final answer
x = 113,062.71
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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.