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Finding the Fourth Proportional to 111,215.70, 166,823.55 and 110,178.90

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Solution

The fourth proportional to 111,215.70, 166,823.55 and 110,178.90 is: 165,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,215.70 : 166,823.55 = 110,178.90 : x
  2. Step 2: Convert to fraction form
    111,215.70/166,823.55 = 110,178.90/x
  3. Step 3: Cross multiply
    111,215.70x = 166,823.55 × 110,178.90
  4. Step 4: Simplify right side
    111,215.70x = 18,380,435,233.10
  5. Step 5: Solve for x
    x = 18,380,435,233.10/111,215.70
  6. Step 6: Final answer
    x = 165,268.35

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