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Finding the Fourth Proportional to 123,863.60, 170,928.96 and 67,273.76

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Solution

The fourth proportional to 123,863.60, 170,928.96 and 67,273.76 is: 92,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,863.60 : 170,928.96 = 67,273.76 : x
  2. Step 2: Convert to fraction form
    123,863.60/170,928.96 = 67,273.76/x
  3. Step 3: Cross multiply
    123,863.60x = 170,928.96 × 67,273.76
  4. Step 4: Simplify right side
    123,863.60x = 11,499,033,832.09
  5. Step 5: Solve for x
    x = 11,499,033,832.09/123,863.60
  6. Step 6: Final answer
    x = 92,836.26

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