Finding the Fourth Proportional to 125,324.18, 172,947.42 and 67,963.48
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Solution
The fourth proportional to 125,324.18, 172,947.42 and 67,963.48 is: 93,789.63
Step by Step Solution
- Step 1: Write the proportion equation
125,324.18 : 172,947.42 = 67,963.48 : x - Step 2: Convert to fraction form
125,324.18/172,947.42 = 67,963.48/x - Step 3: Cross multiply
125,324.18x = 172,947.42 × 67,963.48 - Step 4: Simplify right side
125,324.18x = 11,754,108,520.22 - Step 5: Solve for x
x = 11,754,108,520.22/125,324.18 - Step 6: Final answer
x = 93,789.63
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1.5x scale
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.