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Finding the Fourth Proportional to 100,204.52, 138,277.31 and 54,882.70

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Solution

The fourth proportional to 100,204.52, 138,277.31 and 54,882.70 is: 75,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,204.52 : 138,277.31 = 54,882.70 : x
  2. Step 2: Convert to fraction form
    100,204.52/138,277.31 = 54,882.70/x
  3. Step 3: Cross multiply
    100,204.52x = 138,277.31 × 54,882.70
  4. Step 4: Simplify right side
    100,204.52x = 7,589,031,810.15
  5. Step 5: Solve for x
    x = 7,589,031,810.15/100,204.52
  6. Step 6: Final answer
    x = 75,735.43

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