Finding the Fourth Proportional to 125,508.42, 173,542.64 and 123,480.59
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Solution
The fourth proportional to 125,508.42, 173,542.64 and 123,480.59 is: 170,738.71
Step by Step Solution
- Step 1: Write the proportion equation
125,508.42 : 173,542.64 = 123,480.59 : x - Step 2: Convert to fraction form
125,508.42/173,542.64 = 123,480.59/x - Step 3: Cross multiply
125,508.42x = 173,542.64 × 123,480.59 - Step 4: Simplify right side
125,508.42x = 21,429,146,092.24 - Step 5: Solve for x
x = 21,429,146,092.24/125,508.42 - Step 6: Final answer
x = 170,738.71
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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.