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Finding the Fourth Proportional to 111,684.80, 167,527.20 and 67,288.70

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Solution

The fourth proportional to 111,684.80, 167,527.20 and 67,288.70 is: 100,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,684.80 : 167,527.20 = 67,288.70 : x
  2. Step 2: Convert to fraction form
    111,684.80/167,527.20 = 67,288.70/x
  3. Step 3: Cross multiply
    111,684.80x = 167,527.20 × 67,288.70
  4. Step 4: Simplify right side
    111,684.80x = 11,272,687,502.64
  5. Step 5: Solve for x
    x = 11,272,687,502.64/111,684.80
  6. Step 6: Final answer
    x = 100,933.05

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