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Finding the Fourth Proportional to 111,997.20, 167,866.20 and 45,404.40

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Solution

The fourth proportional to 111,997.20, 167,866.20 and 45,404.40 is: 68,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,997.20 : 167,866.20 = 45,404.40 : x
  2. Step 2: Convert to fraction form
    111,997.20/167,866.20 = 45,404.40/x
  3. Step 3: Cross multiply
    111,997.20x = 167,866.20 × 45,404.40
  4. Step 4: Simplify right side
    111,997.20x = 7,621,864,091.28
  5. Step 5: Solve for x
    x = 7,621,864,091.28/111,997.20
  6. Step 6: Final answer
    x = 68,054.06

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