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Finding the Fourth Proportional to 111,918.90, 167,908.05 and 48,711.90

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Solution

The fourth proportional to 111,918.90, 167,908.05 and 48,711.90 is: 73,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,918.90 : 167,908.05 = 48,711.90 : x
  2. Step 2: Convert to fraction form
    111,918.90/167,908.05 = 48,711.90/x
  3. Step 3: Cross multiply
    111,918.90x = 167,908.05 × 48,711.90
  4. Step 4: Simplify right side
    111,918.90x = 8,179,120,140.80
  5. Step 5: Solve for x
    x = 8,179,120,140.80/111,918.90
  6. Step 6: Final answer
    x = 73,080.78

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