Finding the Fourth Proportional to 125,306.73, 187,987.77 and 62,161.20
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Solution
The fourth proportional to 125,306.73, 187,987.77 and 62,161.20 is: 93,255.53
Step by Step Solution
- Step 1: Write the proportion equation
125,306.73 : 187,987.77 = 62,161.20 : x - Step 2: Convert to fraction form
125,306.73/187,987.77 = 62,161.20/x - Step 3: Cross multiply
125,306.73x = 187,987.77 × 62,161.20 - Step 4: Simplify right side
125,306.73x = 11,685,545,368.52 - Step 5: Solve for x
x = 11,685,545,368.52/125,306.73 - Step 6: Final answer
x = 93,255.53
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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.