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Finding the Fourth Proportional to 110,849.10, 166,273.65 and 75,419.70

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Solution

The fourth proportional to 110,849.10, 166,273.65 and 75,419.70 is: 113,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,849.10 : 166,273.65 = 75,419.70 : x
  2. Step 2: Convert to fraction form
    110,849.10/166,273.65 = 75,419.70/x
  3. Step 3: Cross multiply
    110,849.10x = 166,273.65 × 75,419.70
  4. Step 4: Simplify right side
    110,849.10x = 12,540,308,800.91
  5. Step 5: Solve for x
    x = 12,540,308,800.91/110,849.10
  6. Step 6: Final answer
    x = 113,129.55

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