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Finding the Fourth Proportional to 111,009.40, 166,076.70 and 96,380.80

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Solution

The fourth proportional to 111,009.40, 166,076.70 and 96,380.80 is: 144,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,009.40 : 166,076.70 = 96,380.80 : x
  2. Step 2: Convert to fraction form
    111,009.40/166,076.70 = 96,380.80/x
  3. Step 3: Cross multiply
    111,009.40x = 166,076.70 × 96,380.80
  4. Step 4: Simplify right side
    111,009.40x = 16,006,605,207.36
  5. Step 5: Solve for x
    x = 16,006,605,207.36/111,009.40
  6. Step 6: Final answer
    x = 144,191.44

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