Home / 239,921.19-331,078.86-132,500.61

Finding the Fourth Proportional to 239,921.19, 331,078.86 and 132,500.61

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Solution

The fourth proportional to 239,921.19, 331,078.86 and 132,500.61 is: 182,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,921.19 : 331,078.86 = 132,500.61 : x
  2. Step 2: Convert to fraction form
    239,921.19/331,078.86 = 132,500.61/x
  3. Step 3: Cross multiply
    239,921.19x = 331,078.86 × 132,500.61
  4. Step 4: Simplify right side
    239,921.19x = 43,868,150,908.10
  5. Step 5: Solve for x
    x = 43,868,150,908.10/239,921.19
  6. Step 6: Final answer
    x = 182,844.00

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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.