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Finding the Fourth Proportional to 185,623.60, 278,435.40 and 133,524.40

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Solution

The fourth proportional to 185,623.60, 278,435.40 and 133,524.40 is: 200,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,623.60 : 278,435.40 = 133,524.40 : x
  2. Step 2: Convert to fraction form
    185,623.60/278,435.40 = 133,524.40/x
  3. Step 3: Cross multiply
    185,623.60x = 278,435.40 × 133,524.40
  4. Step 4: Simplify right side
    185,623.60x = 37,177,919,723.76
  5. Step 5: Solve for x
    x = 37,177,919,723.76/185,623.60
  6. Step 6: Final answer
    x = 200,286.60

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