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Finding the Fourth Proportional to 111,750.40, 167,633.70 and 67,281.40

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Solution

The fourth proportional to 111,750.40, 167,633.70 and 67,281.40 is: 100,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.40 : 167,633.70 = 67,281.40 : x
  2. Step 2: Convert to fraction form
    111,750.40/167,633.70 = 67,281.40/x
  3. Step 3: Cross multiply
    111,750.40x = 167,633.70 × 67,281.40
  4. Step 4: Simplify right side
    111,750.40x = 11,278,630,023.18
  5. Step 5: Solve for x
    x = 11,278,630,023.18/111,750.40
  6. Step 6: Final answer
    x = 100,926.98

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