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Finding the Fourth Proportional to 259,753.28, 358,456.12 and 145,033.88

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Solution

The fourth proportional to 259,753.28, 358,456.12 and 145,033.88 is: 200,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,753.28 : 358,456.12 = 145,033.88 : x
  2. Step 2: Convert to fraction form
    259,753.28/358,456.12 = 145,033.88/x
  3. Step 3: Cross multiply
    259,753.28x = 358,456.12 × 145,033.88
  4. Step 4: Simplify right side
    259,753.28x = 51,988,279,738.48
  5. Step 5: Solve for x
    x = 51,988,279,738.48/259,753.28
  6. Step 6: Final answer
    x = 200,144.85

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