Finding the Fourth Proportional to 125,315.36, 187,857.84 and 54,193.52
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Solution
The fourth proportional to 125,315.36, 187,857.84 and 54,193.52 is: 81,240.46
Step by Step Solution
- Step 1: Write the proportion equation
125,315.36 : 187,857.84 = 54,193.52 : x - Step 2: Convert to fraction form
125,315.36/187,857.84 = 54,193.52/x - Step 3: Cross multiply
125,315.36x = 187,857.84 × 54,193.52 - Step 4: Simplify right side
125,315.36x = 10,180,677,609.20 - Step 5: Solve for x
x = 10,180,677,609.20/125,315.36 - Step 6: Final answer
x = 81,240.46
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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.