Home / 226,149.81-338,781.16-131,180.47

Finding the Fourth Proportional to 226,149.81, 338,781.16 and 131,180.47

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Solution

The fourth proportional to 226,149.81, 338,781.16 and 131,180.47 is: 196,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,149.81 : 338,781.16 = 131,180.47 : x
  2. Step 2: Convert to fraction form
    226,149.81/338,781.16 = 131,180.47/x
  3. Step 3: Cross multiply
    226,149.81x = 338,781.16 × 131,180.47
  4. Step 4: Simplify right side
    226,149.81x = 44,441,471,795.95
  5. Step 5: Solve for x
    x = 44,441,471,795.95/226,149.81
  6. Step 6: Final answer
    x = 196,513.42

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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.