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Finding the Fourth Proportional to 110,939.80, 166,296.30 and 54,693.40

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Solution

The fourth proportional to 110,939.80, 166,296.30 and 54,693.40 is: 81,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,939.80 : 166,296.30 = 54,693.40 : x
  2. Step 2: Convert to fraction form
    110,939.80/166,296.30 = 54,693.40/x
  3. Step 3: Cross multiply
    110,939.80x = 166,296.30 × 54,693.40
  4. Step 4: Simplify right side
    110,939.80x = 9,095,310,054.42
  5. Step 5: Solve for x
    x = 9,095,310,054.42/110,939.80
  6. Step 6: Final answer
    x = 81,984.19

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