Finding the Fourth Proportional to 125,392.56, 187,989.88 and 62,169.09
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Solution
The fourth proportional to 125,392.56, 187,989.88 and 62,169.09 is: 93,204.56
Step by Step Solution
- Step 1: Write the proportion equation
125,392.56 : 187,989.88 = 62,169.09 : x - Step 2: Convert to fraction form
125,392.56/187,989.88 = 62,169.09/x - Step 3: Cross multiply
125,392.56x = 187,989.88 × 62,169.09 - Step 4: Simplify right side
125,392.56x = 11,687,158,518.01 - Step 5: Solve for x
x = 11,687,158,518.01/125,392.56 - Step 6: Final answer
x = 93,204.56
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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.