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Finding the Fourth Proportional to 116,879.20, 175,318.80 and 42,997.60

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Solution

The fourth proportional to 116,879.20, 175,318.80 and 42,997.60 is: 64,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.20 : 175,318.80 = 42,997.60 : x
  2. Step 2: Convert to fraction form
    116,879.20/175,318.80 = 42,997.60/x
  3. Step 3: Cross multiply
    116,879.20x = 175,318.80 × 42,997.60
  4. Step 4: Simplify right side
    116,879.20x = 7,538,287,634.88
  5. Step 5: Solve for x
    x = 7,538,287,634.88/116,879.20
  6. Step 6: Final answer
    x = 64,496.40

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