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Finding the Fourth Proportional to 111,470.40, 167,205.60 and 64,231.20

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Solution

The fourth proportional to 111,470.40, 167,205.60 and 64,231.20 is: 96,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,470.40 : 167,205.60 = 64,231.20 : x
  2. Step 2: Convert to fraction form
    111,470.40/167,205.60 = 64,231.20/x
  3. Step 3: Cross multiply
    111,470.40x = 167,205.60 × 64,231.20
  4. Step 4: Simplify right side
    111,470.40x = 10,739,816,334.72
  5. Step 5: Solve for x
    x = 10,739,816,334.72/111,470.40
  6. Step 6: Final answer
    x = 96,346.80

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