Home / 239,929.86-331,108.38-132,506.76

Finding the Fourth Proportional to 239,929.86, 331,108.38 and 132,506.76

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Solution

The fourth proportional to 239,929.86, 331,108.38 and 132,506.76 is: 182,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,929.86 : 331,108.38 = 132,506.76 : x
  2. Step 2: Convert to fraction form
    239,929.86/331,108.38 = 132,506.76/x
  3. Step 3: Cross multiply
    239,929.86x = 331,108.38 × 132,506.76
  4. Step 4: Simplify right side
    239,929.86x = 43,874,098,642.65
  5. Step 5: Solve for x
    x = 43,874,098,642.65/239,929.86
  6. Step 6: Final answer
    x = 182,862.19

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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.