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Finding the Fourth Proportional to 111,922.80, 167,884.20 and 100,647.60

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Solution

The fourth proportional to 111,922.80, 167,884.20 and 100,647.60 is: 150,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,922.80 : 167,884.20 = 100,647.60 : x
  2. Step 2: Convert to fraction form
    111,922.80/167,884.20 = 100,647.60/x
  3. Step 3: Cross multiply
    111,922.80x = 167,884.20 × 100,647.60
  4. Step 4: Simplify right side
    111,922.80x = 16,897,141,807.92
  5. Step 5: Solve for x
    x = 16,897,141,807.92/111,922.80
  6. Step 6: Final answer
    x = 150,971.40

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