Home / 80,105.18-120,160.56-27,514.28

Finding the Fourth Proportional to 80,105.18, 120,160.56 and 27,514.28

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Solution

The fourth proportional to 80,105.18, 120,160.56 and 27,514.28 is: 41,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,105.18 : 120,160.56 = 27,514.28 : x
  2. Step 2: Convert to fraction form
    80,105.18/120,160.56 = 27,514.28/x
  3. Step 3: Cross multiply
    80,105.18x = 120,160.56 × 27,514.28
  4. Step 4: Simplify right side
    80,105.18x = 3,306,131,292.80
  5. Step 5: Solve for x
    x = 3,306,131,292.80/80,105.18
  6. Step 6: Final answer
    x = 41,272.38

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1.5x scale

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.