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Finding the Fourth Proportional to 110,693.70, 166,022.73 and 31,789.98

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Solution

The fourth proportional to 110,693.70, 166,022.73 and 31,789.98 is: 47,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,693.70 : 166,022.73 = 31,789.98 : x
  2. Step 2: Convert to fraction form
    110,693.70/166,022.73 = 31,789.98/x
  3. Step 3: Cross multiply
    110,693.70x = 166,022.73 × 31,789.98
  4. Step 4: Simplify right side
    110,693.70x = 5,277,859,266.25
  5. Step 5: Solve for x
    x = 5,277,859,266.25/110,693.70
  6. Step 6: Final answer
    x = 47,679.85

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