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Finding the Fourth Proportional to 110,872.20, 166,308.30 and 75,880.20

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Solution

The fourth proportional to 110,872.20, 166,308.30 and 75,880.20 is: 113,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,872.20 : 166,308.30 = 75,880.20 : x
  2. Step 2: Convert to fraction form
    110,872.20/166,308.30 = 75,880.20/x
  3. Step 3: Cross multiply
    110,872.20x = 166,308.30 × 75,880.20
  4. Step 4: Simplify right side
    110,872.20x = 12,619,507,065.66
  5. Step 5: Solve for x
    x = 12,619,507,065.66/110,872.20
  6. Step 6: Final answer
    x = 113,820.30

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