Home / 240,159.17-331,422.11-131,266.61

Finding the Fourth Proportional to 240,159.17, 331,422.11 and 131,266.61

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Solution

The fourth proportional to 240,159.17, 331,422.11 and 131,266.61 is: 181,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,159.17 : 331,422.11 = 131,266.61 : x
  2. Step 2: Convert to fraction form
    240,159.17/331,422.11 = 131,266.61/x
  3. Step 3: Cross multiply
    240,159.17x = 331,422.11 × 131,266.61
  4. Step 4: Simplify right side
    240,159.17x = 43,504,654,545.30
  5. Step 5: Solve for x
    x = 43,504,654,545.30/240,159.17
  6. Step 6: Final answer
    x = 181,149.26

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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.