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Finding the Fourth Proportional to 221,883.40, 332,825.10 and 133,091.20

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Solution

The fourth proportional to 221,883.40, 332,825.10 and 133,091.20 is: 199,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,883.40 : 332,825.10 = 133,091.20 : x
  2. Step 2: Convert to fraction form
    221,883.40/332,825.10 = 133,091.20/x
  3. Step 3: Cross multiply
    221,883.40x = 332,825.10 × 133,091.20
  4. Step 4: Simplify right side
    221,883.40x = 44,296,091,949.12
  5. Step 5: Solve for x
    x = 44,296,091,949.12/221,883.40
  6. Step 6: Final answer
    x = 199,636.80

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