Finding the Fourth Proportional to 137,954.24, 206,800.12 and 87,893.80
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Solution
The fourth proportional to 137,954.24, 206,800.12 and 87,893.80 is: 131,757.08
Step by Step Solution
- Step 1: Write the proportion equation
137,954.24 : 206,800.12 = 87,893.80 : x - Step 2: Convert to fraction form
137,954.24/206,800.12 = 87,893.80/x - Step 3: Cross multiply
137,954.24x = 206,800.12 × 87,893.80 - Step 4: Simplify right side
137,954.24x = 18,176,448,387.26 - Step 5: Solve for x
x = 18,176,448,387.26/137,954.24 - Step 6: Final answer
x = 131,757.08
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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.