Finding the Fourth Proportional to 125,840.76, 173,660.15 and 69,252.14
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Solution
The fourth proportional to 125,840.76, 173,660.15 and 69,252.14 is: 95,567.89
Step by Step Solution
- Step 1: Write the proportion equation
125,840.76 : 173,660.15 = 69,252.14 : x - Step 2: Convert to fraction form
125,840.76/173,660.15 = 69,252.14/x - Step 3: Cross multiply
125,840.76x = 173,660.15 × 69,252.14 - Step 4: Simplify right side
125,840.76x = 12,026,335,805.66 - Step 5: Solve for x
x = 12,026,335,805.66/125,840.76 - Step 6: Final answer
x = 95,567.89
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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.