Home / 187,844.28-259,229.61-102,966

Finding the Fourth Proportional to 187,844.28, 259,229.61 and 102,966

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Solution

The fourth proportional to 187,844.28, 259,229.61 and 102,966 is: 142,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,844.28 : 259,229.61 = 102,966 : x
  2. Step 2: Convert to fraction form
    187,844.28/259,229.61 = 102,966/x
  3. Step 3: Cross multiply
    187,844.28x = 259,229.61 × 102,966
  4. Step 4: Simplify right side
    187,844.28x = 26,691,836,023.26
  5. Step 5: Solve for x
    x = 26,691,836,023.26/187,844.28
  6. Step 6: Final answer
    x = 142,095.55

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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.