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Finding the Fourth Proportional to 178,091.64, 267,181.08 and 81,983.88

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Solution

The fourth proportional to 178,091.64, 267,181.08 and 81,983.88 is: 122,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,091.64 : 267,181.08 = 81,983.88 : x
  2. Step 2: Convert to fraction form
    178,091.64/267,181.08 = 81,983.88/x
  3. Step 3: Cross multiply
    178,091.64x = 267,181.08 × 81,983.88
  4. Step 4: Simplify right side
    178,091.64x = 21,904,541,600.99
  5. Step 5: Solve for x
    x = 21,904,541,600.99/178,091.64
  6. Step 6: Final answer
    x = 122,995.90

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