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Finding the Fourth Proportional to 102,163.22, 140,983.89 and 57,451.22

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Solution

The fourth proportional to 102,163.22, 140,983.89 and 57,451.22 is: 79,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,163.22 : 140,983.89 = 57,451.22 : x
  2. Step 2: Convert to fraction form
    102,163.22/140,983.89 = 57,451.22/x
  3. Step 3: Cross multiply
    102,163.22x = 140,983.89 × 57,451.22
  4. Step 4: Simplify right side
    102,163.22x = 8,099,696,480.85
  5. Step 5: Solve for x
    x = 8,099,696,480.85/102,163.22
  6. Step 6: Final answer
    x = 79,281.92

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