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Finding the Fourth Proportional to 221,160.38, 331,740.56 and 54,948.38

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Solution

The fourth proportional to 221,160.38, 331,740.56 and 54,948.38 is: 82,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,160.38 : 331,740.56 = 54,948.38 : x
  2. Step 2: Convert to fraction form
    221,160.38/331,740.56 = 54,948.38/x
  3. Step 3: Cross multiply
    221,160.38x = 331,740.56 × 54,948.38
  4. Step 4: Simplify right side
    221,160.38x = 18,228,604,830.96
  5. Step 5: Solve for x
    x = 18,228,604,830.96/221,160.38
  6. Step 6: Final answer
    x = 82,422.56

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