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Finding the Fourth Proportional to 115,581.87, 173,422.89 and 40,755.47

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Solution

The fourth proportional to 115,581.87, 173,422.89 and 40,755.47 is: 61,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,581.87 : 173,422.89 = 40,755.47 : x
  2. Step 2: Convert to fraction form
    115,581.87/173,422.89 = 40,755.47/x
  3. Step 3: Cross multiply
    115,581.87x = 173,422.89 × 40,755.47
  4. Step 4: Simplify right side
    115,581.87x = 7,067,930,523.59
  5. Step 5: Solve for x
    x = 7,067,930,523.59/115,581.87
  6. Step 6: Final answer
    x = 61,150.86

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