Finding the Fourth Proportional to 125,342.92, 187,915.77 and 62,119.60
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Solution
The fourth proportional to 125,342.92, 187,915.77 and 62,119.60 is: 93,130.53
Step by Step Solution
- Step 1: Write the proportion equation
125,342.92 : 187,915.77 = 62,119.60 : x - Step 2: Convert to fraction form
125,342.92/187,915.77 = 62,119.60/x - Step 3: Cross multiply
125,342.92x = 187,915.77 × 62,119.60 - Step 4: Simplify right side
125,342.92x = 11,673,252,466.09 - Step 5: Solve for x
x = 11,673,252,466.09/125,342.92 - Step 6: Final answer
x = 93,130.53
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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.