Finding the Fourth Proportional to 125,843.81, 173,625.36 and 71,387.00
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Solution
The fourth proportional to 125,843.81, 173,625.36 and 71,387.00 is: 98,491.88
Step by Step Solution
- Step 1: Write the proportion equation
125,843.81 : 173,625.36 = 71,387.00 : x - Step 2: Convert to fraction form
125,843.81/173,625.36 = 71,387.00/x - Step 3: Cross multiply
125,843.81x = 173,625.36 × 71,387.00 - Step 4: Simplify right side
125,843.81x = 12,394,592,706.19 - Step 5: Solve for x
x = 12,394,592,706.19/125,843.81 - Step 6: Final answer
x = 98,491.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.