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Finding the Fourth Proportional to 218,432.60, 327,659.70 and 113,456.60

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Solution

The fourth proportional to 218,432.60, 327,659.70 and 113,456.60 is: 170,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,432.60 : 327,659.70 = 113,456.60 : x
  2. Step 2: Convert to fraction form
    218,432.60/327,659.70 = 113,456.60/x
  3. Step 3: Cross multiply
    218,432.60x = 327,659.70 × 113,456.60
  4. Step 4: Simplify right side
    218,432.60x = 37,175,155,519.02
  5. Step 5: Solve for x
    x = 37,175,155,519.02/218,432.60
  6. Step 6: Final answer
    x = 170,190.51

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