Finding the Fourth Proportional to 125,391.90, 187,869.14 and 104,466.36
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Solution
The fourth proportional to 125,391.90, 187,869.14 and 104,466.36 is: 156,517.33
Step by Step Solution
- Step 1: Write the proportion equation
125,391.90 : 187,869.14 = 104,466.36 : x - Step 2: Convert to fraction form
125,391.90/187,869.14 = 104,466.36/x - Step 3: Cross multiply
125,391.90x = 187,869.14 × 104,466.36 - Step 4: Simplify right side
125,391.90x = 19,626,005,212.13 - Step 5: Solve for x
x = 19,626,005,212.13/125,391.90 - Step 6: Final answer
x = 156,517.33
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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.