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Finding the Fourth Proportional to 269,195.20, 403,792.80 and 91,902.40

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Solution

The fourth proportional to 269,195.20, 403,792.80 and 91,902.40 is: 137,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,195.20 : 403,792.80 = 91,902.40 : x
  2. Step 2: Convert to fraction form
    269,195.20/403,792.80 = 91,902.40/x
  3. Step 3: Cross multiply
    269,195.20x = 403,792.80 × 91,902.40
  4. Step 4: Simplify right side
    269,195.20x = 37,109,527,422.72
  5. Step 5: Solve for x
    x = 37,109,527,422.72/269,195.20
  6. Step 6: Final answer
    x = 137,853.60

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