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Finding the Fourth Proportional to 127,718.52, 176,251.48 and 74,034.64

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Solution

The fourth proportional to 127,718.52, 176,251.48 and 74,034.64 is: 102,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718.52 : 176,251.48 = 74,034.64 : x
  2. Step 2: Convert to fraction form
    127,718.52/176,251.48 = 74,034.64/x
  3. Step 3: Cross multiply
    127,718.52x = 176,251.48 × 74,034.64
  4. Step 4: Simplify right side
    127,718.52x = 13,048,714,871.27
  5. Step 5: Solve for x
    x = 13,048,714,871.27/127,718.52
  6. Step 6: Final answer
    x = 102,167.76

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