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Finding the Fourth Proportional to 228,906.88, 315,889.91 and 126,932.40

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Solution

The fourth proportional to 228,906.88, 315,889.91 and 126,932.40 is: 175,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906.88 : 315,889.91 = 126,932.40 : x
  2. Step 2: Convert to fraction form
    228,906.88/315,889.91 = 126,932.40/x
  3. Step 3: Cross multiply
    228,906.88x = 315,889.91 × 126,932.40
  4. Step 4: Simplify right side
    228,906.88x = 40,096,664,253.42
  5. Step 5: Solve for x
    x = 40,096,664,253.42/228,906.88
  6. Step 6: Final answer
    x = 175,165.83

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