Home / 239,930.86-331,109.76-132,507.76

Finding the Fourth Proportional to 239,930.86, 331,109.76 and 132,507.76

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Solution

The fourth proportional to 239,930.86, 331,109.76 and 132,507.76 is: 182,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,930.86 : 331,109.76 = 132,507.76 : x
  2. Step 2: Convert to fraction form
    239,930.86/331,109.76 = 132,507.76/x
  3. Step 3: Cross multiply
    239,930.86x = 331,109.76 × 132,507.76
  4. Step 4: Simplify right side
    239,930.86x = 43,874,612,611.74
  5. Step 5: Solve for x
    x = 43,874,612,611.74/239,930.86
  6. Step 6: Final answer
    x = 182,863.57

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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.