Finding the Fourth Proportional to 125,246.28, 172,839.88 and 68,656.44
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Solution
The fourth proportional to 125,246.28, 172,839.88 and 68,656.44 is: 94,745.89
Step by Step Solution
- Step 1: Write the proportion equation
125,246.28 : 172,839.88 = 68,656.44 : x - Step 2: Convert to fraction form
125,246.28/172,839.88 = 68,656.44/x - Step 3: Cross multiply
125,246.28x = 172,839.88 × 68,656.44 - Step 4: Simplify right side
125,246.28x = 11,866,570,850.83 - Step 5: Solve for x
x = 11,866,570,850.83/125,246.28 - Step 6: Final answer
x = 94,745.89
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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.