Finding the Fourth Proportional to 125,923.41, 173,789.33 and 74,252.19
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Solution
The fourth proportional to 125,923.41, 173,789.33 and 74,252.19 is: 102,476.88
Step by Step Solution
- Step 1: Write the proportion equation
125,923.41 : 173,789.33 = 74,252.19 : x - Step 2: Convert to fraction form
125,923.41/173,789.33 = 74,252.19/x - Step 3: Cross multiply
125,923.41x = 173,789.33 × 74,252.19 - Step 4: Simplify right side
125,923.41x = 12,904,238,351.13 - Step 5: Solve for x
x = 12,904,238,351.13/125,923.41 - Step 6: Final answer
x = 102,476.88
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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.