Finding the Fourth Proportional to 125,766.80, 173,555.56 and 68,407.28
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Solution
The fourth proportional to 125,766.80, 173,555.56 and 68,407.28 is: 94,400.62
Step by Step Solution
- Step 1: Write the proportion equation
125,766.80 : 173,555.56 = 68,407.28 : x - Step 2: Convert to fraction form
125,766.80/173,555.56 = 68,407.28/x - Step 3: Cross multiply
125,766.80x = 173,555.56 × 68,407.28 - Step 4: Simplify right side
125,766.80x = 11,872,463,788.48 - Step 5: Solve for x
x = 11,872,463,788.48/125,766.80 - Step 6: Final answer
x = 94,400.62
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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.