Finding the Fourth Proportional to 134,731.98, 202,540.86 and 124,988.94
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Solution
The fourth proportional to 134,731.98, 202,540.86 and 124,988.94 is: 187,894.27
Step by Step Solution
- Step 1: Write the proportion equation
134,731.98 : 202,540.86 = 124,988.94 : x - Step 2: Convert to fraction form
134,731.98/202,540.86 = 124,988.94/x - Step 3: Cross multiply
134,731.98x = 202,540.86 × 124,988.94 - Step 4: Simplify right side
134,731.98x = 25,315,367,398.09 - Step 5: Solve for x
x = 25,315,367,398.09/134,731.98 - Step 6: Final answer
x = 187,894.27
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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.