Home / 240,127.62-331,377.14-131,234.18

Finding the Fourth Proportional to 240,127.62, 331,377.14 and 131,234.18

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Solution

The fourth proportional to 240,127.62, 331,377.14 and 131,234.18 is: 181,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,127.62 : 331,377.14 = 131,234.18 : x
  2. Step 2: Convert to fraction form
    240,127.62/331,377.14 = 131,234.18/x
  3. Step 3: Cross multiply
    240,127.62x = 331,377.14 × 131,234.18
  4. Step 4: Simplify right side
    240,127.62x = 43,488,007,238.65
  5. Step 5: Solve for x
    x = 43,488,007,238.65/240,127.62
  6. Step 6: Final answer
    x = 181,103.73

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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.