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Finding the Fourth Proportional to 111,972.24, 167,999.28 and 52,028.40

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Solution

The fourth proportional to 111,972.24, 167,999.28 and 52,028.40 is: 78,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,972.24 : 167,999.28 = 52,028.40 : x
  2. Step 2: Convert to fraction form
    111,972.24/167,999.28 = 52,028.40/x
  3. Step 3: Cross multiply
    111,972.24x = 167,999.28 × 52,028.40
  4. Step 4: Simplify right side
    111,972.24x = 8,740,733,739.55
  5. Step 5: Solve for x
    x = 8,740,733,739.55/111,972.24
  6. Step 6: Final answer
    x = 78,061.61

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