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Finding the Fourth Proportional to 111,358.75, 167,047.86 and 28,252.75

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Solution

The fourth proportional to 111,358.75, 167,047.86 and 28,252.75 is: 42,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,358.75 : 167,047.86 = 28,252.75 : x
  2. Step 2: Convert to fraction form
    111,358.75/167,047.86 = 28,252.75/x
  3. Step 3: Cross multiply
    111,358.75x = 167,047.86 × 28,252.75
  4. Step 4: Simplify right side
    111,358.75x = 4,719,561,426.62
  5. Step 5: Solve for x
    x = 4,719,561,426.62/111,358.75
  6. Step 6: Final answer
    x = 42,381.59

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