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Finding the Fourth Proportional to 135,928.62, 204,022.67 and 83,440.62

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Solution

The fourth proportional to 135,928.62, 204,022.67 and 83,440.62 is: 125,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,928.62 : 204,022.67 = 83,440.62 : x
  2. Step 2: Convert to fraction form
    135,928.62/204,022.67 = 83,440.62/x
  3. Step 3: Cross multiply
    135,928.62x = 204,022.67 × 83,440.62
  4. Step 4: Simplify right side
    135,928.62x = 17,023,777,661.65
  5. Step 5: Solve for x
    x = 17,023,777,661.65/135,928.62
  6. Step 6: Final answer
    x = 125,240.57

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