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Finding the Fourth Proportional to 72,002.10, 108,003.15 and 22,081.80

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Solution

The fourth proportional to 72,002.10, 108,003.15 and 22,081.80 is: 33,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.10 : 108,003.15 = 22,081.80 : x
  2. Step 2: Convert to fraction form
    72,002.10/108,003.15 = 22,081.80/x
  3. Step 3: Cross multiply
    72,002.10x = 108,003.15 × 22,081.80
  4. Step 4: Simplify right side
    72,002.10x = 2,384,903,957.67
  5. Step 5: Solve for x
    x = 2,384,903,957.67/72,002.10
  6. Step 6: Final answer
    x = 33,122.70

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