Finding the Fourth Proportional to 125,575.13, 173,293.74 and 68,990.15
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Solution
The fourth proportional to 125,575.13, 173,293.74 and 68,990.15 is: 95,206.44
Step by Step Solution
- Step 1: Write the proportion equation
125,575.13 : 173,293.74 = 68,990.15 : x - Step 2: Convert to fraction form
125,575.13/173,293.74 = 68,990.15/x - Step 3: Cross multiply
125,575.13x = 173,293.74 × 68,990.15 - Step 4: Simplify right side
125,575.13x = 11,955,560,250.19 - Step 5: Solve for x
x = 11,955,560,250.19/125,575.13 - Step 6: Final answer
x = 95,206.44
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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.