Home / 239,913.06-331,080.14-132,490.40

Finding the Fourth Proportional to 239,913.06, 331,080.14 and 132,490.40

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Solution

The fourth proportional to 239,913.06, 331,080.14 and 132,490.40 is: 182,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,913.06 : 331,080.14 = 132,490.40 : x
  2. Step 2: Convert to fraction form
    239,913.06/331,080.14 = 132,490.40/x
  3. Step 3: Cross multiply
    239,913.06x = 331,080.14 × 132,490.40
  4. Step 4: Simplify right side
    239,913.06x = 43,864,940,180.66
  5. Step 5: Solve for x
    x = 43,864,940,180.66/239,913.06
  6. Step 6: Final answer
    x = 182,836.82

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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.