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Finding the Fourth Proportional to 218,194.40, 327,032.40 and 91,834.40

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Solution

The fourth proportional to 218,194.40, 327,032.40 and 91,834.40 is: 137,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,194.40 : 327,032.40 = 91,834.40 : x
  2. Step 2: Convert to fraction form
    218,194.40/327,032.40 = 91,834.40/x
  3. Step 3: Cross multiply
    218,194.40x = 327,032.40 × 91,834.40
  4. Step 4: Simplify right side
    218,194.40x = 30,032,824,234.56
  5. Step 5: Solve for x
    x = 30,032,824,234.56/218,194.40
  6. Step 6: Final answer
    x = 137,642.51

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