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Finding the Fourth Proportional to 135,945.26, 187,609.72 and 75,520.48

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Solution

The fourth proportional to 135,945.26, 187,609.72 and 75,520.48 is: 104,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945.26 : 187,609.72 = 75,520.48 : x
  2. Step 2: Convert to fraction form
    135,945.26/187,609.72 = 75,520.48/x
  3. Step 3: Cross multiply
    135,945.26x = 187,609.72 × 75,520.48
  4. Step 4: Simplify right side
    135,945.26x = 14,168,376,107.07
  5. Step 5: Solve for x
    x = 14,168,376,107.07/135,945.26
  6. Step 6: Final answer
    x = 104,221.19

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