Finding the Fourth Proportional to 126,891.41, 175,110.18 and 69,530.26
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Solution
The fourth proportional to 126,891.41, 175,110.18 and 69,530.26 is: 95,951.78
Step by Step Solution
- Step 1: Write the proportion equation
126,891.41 : 175,110.18 = 69,530.26 : x - Step 2: Convert to fraction form
126,891.41/175,110.18 = 69,530.26/x - Step 3: Cross multiply
126,891.41x = 175,110.18 × 69,530.26 - Step 4: Simplify right side
126,891.41x = 12,175,456,344.05 - Step 5: Solve for x
x = 12,175,456,344.05/126,891.41 - Step 6: Final answer
x = 95,951.78
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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.