Finding the Fourth Proportional to 125,282.26, 172,884.09 and 75,008.98
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Solution
The fourth proportional to 125,282.26, 172,884.09 and 75,008.98 is: 103,509.14
Step by Step Solution
- Step 1: Write the proportion equation
125,282.26 : 172,884.09 = 75,008.98 : x - Step 2: Convert to fraction form
125,282.26/172,884.09 = 75,008.98/x - Step 3: Cross multiply
125,282.26x = 172,884.09 × 75,008.98 - Step 4: Simplify right side
125,282.26x = 12,967,859,249.13 - Step 5: Solve for x
x = 12,967,859,249.13/125,282.26 - Step 6: Final answer
x = 103,509.14
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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.