Finding the Fourth Proportional to 125,412.26, 173,062.02 and 68,819.18
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Solution
The fourth proportional to 125,412.26, 173,062.02 and 68,819.18 is: 94,966.68
Step by Step Solution
- Step 1: Write the proportion equation
125,412.26 : 173,062.02 = 68,819.18 : x - Step 2: Convert to fraction form
125,412.26/173,062.02 = 68,819.18/x - Step 3: Cross multiply
125,412.26x = 173,062.02 × 68,819.18 - Step 4: Simplify right side
125,412.26x = 11,909,986,305.54 - Step 5: Solve for x
x = 11,909,986,305.54/125,412.26 - Step 6: Final answer
x = 94,966.68
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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.