Finding the Fourth Proportional to 129,502.26, 194,272.56 and 40,726.26
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Solution
The fourth proportional to 129,502.26, 194,272.56 and 40,726.26 is: 61,095.42
Step by Step Solution
- Step 1: Write the proportion equation
129,502.26 : 194,272.56 = 40,726.26 : x - Step 2: Convert to fraction form
129,502.26/194,272.56 = 40,726.26/x - Step 3: Cross multiply
129,502.26x = 194,272.56 × 40,726.26 - Step 4: Simplify right side
129,502.26x = 7,911,994,789.43 - Step 5: Solve for x
x = 7,911,994,789.43/129,502.26 - Step 6: Final answer
x = 61,095.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.