Finding the Fourth Proportional to 125,261.32, 172,860.58 and 68,671.48
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Solution
The fourth proportional to 125,261.32, 172,860.58 and 68,671.48 is: 94,766.62
Step by Step Solution
- Step 1: Write the proportion equation
125,261.32 : 172,860.58 = 68,671.48 : x - Step 2: Convert to fraction form
125,261.32/172,860.58 = 68,671.48/x - Step 3: Cross multiply
125,261.32x = 172,860.58 × 68,671.48 - Step 4: Simplify right side
125,261.32x = 11,870,591,862.26 - Step 5: Solve for x
x = 11,870,591,862.26/125,261.32 - Step 6: Final answer
x = 94,766.62
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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.