Finding the Fourth Proportional to 125,778.88, 173,575.68 and 69,188.80
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Solution
The fourth proportional to 125,778.88, 173,575.68 and 69,188.80 is: 95,481.00
Step by Step Solution
- Step 1: Write the proportion equation
125,778.88 : 173,575.68 = 69,188.80 : x - Step 2: Convert to fraction form
125,778.88/173,575.68 = 69,188.80/x - Step 3: Cross multiply
125,778.88x = 173,575.68 × 69,188.80 - Step 4: Simplify right side
125,778.88x = 12,009,493,008.38 - Step 5: Solve for x
x = 12,009,493,008.38/125,778.88 - Step 6: Final answer
x = 95,481.00
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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.