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Finding the Fourth Proportional to 114,358.64, 171,538.36 and 80,977.73

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Solution

The fourth proportional to 114,358.64, 171,538.36 and 80,977.73 is: 121,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.64 : 171,538.36 = 80,977.73 : x
  2. Step 2: Convert to fraction form
    114,358.64/171,538.36 = 80,977.73/x
  3. Step 3: Cross multiply
    114,358.64x = 171,538.36 × 80,977.73
  4. Step 4: Simplify right side
    114,358.64x = 13,890,785,940.59
  5. Step 5: Solve for x
    x = 13,890,785,940.59/114,358.64
  6. Step 6: Final answer
    x = 121,466.87

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