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Finding the Fourth Proportional to 111,273.12, 166,857.84 and 64,539.36

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Solution

The fourth proportional to 111,273.12, 166,857.84 and 64,539.36 is: 96,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273.12 : 166,857.84 = 64,539.36 : x
  2. Step 2: Convert to fraction form
    111,273.12/166,857.84 = 64,539.36/x
  3. Step 3: Cross multiply
    111,273.12x = 166,857.84 × 64,539.36
  4. Step 4: Simplify right side
    111,273.12x = 10,768,898,204.58
  5. Step 5: Solve for x
    x = 10,768,898,204.58/111,273.12
  6. Step 6: Final answer
    x = 96,778.97

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