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Finding the Fourth Proportional to 126,093.28, 174,079.92 and 83,709.76

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Solution

The fourth proportional to 126,093.28, 174,079.92 and 83,709.76 is: 115,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,093.28 : 174,079.92 = 83,709.76 : x
  2. Step 2: Convert to fraction form
    126,093.28/174,079.92 = 83,709.76/x
  3. Step 3: Cross multiply
    126,093.28x = 174,079.92 × 83,709.76
  4. Step 4: Simplify right side
    126,093.28x = 14,572,188,324.02
  5. Step 5: Solve for x
    x = 14,572,188,324.02/126,093.28
  6. Step 6: Final answer
    x = 115,566.73

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