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Finding the Fourth Proportional to 111,905.20, 167,857.80 and 64,601.20

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Solution

The fourth proportional to 111,905.20, 167,857.80 and 64,601.20 is: 96,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905.20 : 167,857.80 = 64,601.20 : x
  2. Step 2: Convert to fraction form
    111,905.20/167,857.80 = 64,601.20/x
  3. Step 3: Cross multiply
    111,905.20x = 167,857.80 × 64,601.20
  4. Step 4: Simplify right side
    111,905.20x = 10,843,815,309.36
  5. Step 5: Solve for x
    x = 10,843,815,309.36/111,905.20
  6. Step 6: Final answer
    x = 96,901.80

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