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Finding the Fourth Proportional to 269,152.40, 403,728.60 and 91,600.40

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Solution

The fourth proportional to 269,152.40, 403,728.60 and 91,600.40 is: 137,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,152.40 : 403,728.60 = 91,600.40 : x
  2. Step 2: Convert to fraction form
    269,152.40/403,728.60 = 91,600.40/x
  3. Step 3: Cross multiply
    269,152.40x = 403,728.60 × 91,600.40
  4. Step 4: Simplify right side
    269,152.40x = 36,981,701,251.44
  5. Step 5: Solve for x
    x = 36,981,701,251.44/269,152.40
  6. Step 6: Final answer
    x = 137,400.60

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