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Finding the Fourth Proportional to 127,633.62, 176,138.64 and 70,275.75

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Solution

The fourth proportional to 127,633.62, 176,138.64 and 70,275.75 is: 96,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.62 : 176,138.64 = 70,275.75 : x
  2. Step 2: Convert to fraction form
    127,633.62/176,138.64 = 70,275.75/x
  3. Step 3: Cross multiply
    127,633.62x = 176,138.64 × 70,275.75
  4. Step 4: Simplify right side
    127,633.62x = 12,378,275,029.98
  5. Step 5: Solve for x
    x = 12,378,275,029.98/127,633.62
  6. Step 6: Final answer
    x = 96,982.87

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