Finding the Fourth Proportional to 160,161.52, 221,044.88 and 92,177.12
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Solution
The fourth proportional to 160,161.52, 221,044.88 and 92,177.12 is: 127,217.08
Step by Step Solution
- Step 1: Write the proportion equation
160,161.52 : 221,044.88 = 92,177.12 : x - Step 2: Convert to fraction form
160,161.52/221,044.88 = 92,177.12/x - Step 3: Cross multiply
160,161.52x = 221,044.88 × 92,177.12 - Step 4: Simplify right side
160,161.52x = 20,375,280,429.15 - Step 5: Solve for x
x = 20,375,280,429.15/160,161.52 - Step 6: Final answer
x = 127,217.08
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1.5x scale
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.