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Finding the Fourth Proportional to 122,704.80, 184,057.20 and 103,021.80

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Solution

The fourth proportional to 122,704.80, 184,057.20 and 103,021.80 is: 154,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,704.80 : 184,057.20 = 103,021.80 : x
  2. Step 2: Convert to fraction form
    122,704.80/184,057.20 = 103,021.80/x
  3. Step 3: Cross multiply
    122,704.80x = 184,057.20 × 103,021.80
  4. Step 4: Simplify right side
    122,704.80x = 18,961,904,046.96
  5. Step 5: Solve for x
    x = 18,961,904,046.96/122,704.80
  6. Step 6: Final answer
    x = 154,532.70

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