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Finding the Fourth Proportional to 111,121.40, 166,682.10 and 44,571.80

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Solution

The fourth proportional to 111,121.40, 166,682.10 and 44,571.80 is: 66,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,121.40 : 166,682.10 = 44,571.80 : x
  2. Step 2: Convert to fraction form
    111,121.40/166,682.10 = 44,571.80/x
  3. Step 3: Cross multiply
    111,121.40x = 166,682.10 × 44,571.80
  4. Step 4: Simplify right side
    111,121.40x = 7,429,321,224.78
  5. Step 5: Solve for x
    x = 7,429,321,224.78/111,121.40
  6. Step 6: Final answer
    x = 66,857.70

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