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Finding the Fourth Proportional to 115,687.20, 173,543.55 and 36,782.97

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Solution

The fourth proportional to 115,687.20, 173,543.55 and 36,782.97 is: 55,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,687.20 : 173,543.55 = 36,782.97 : x
  2. Step 2: Convert to fraction form
    115,687.20/173,543.55 = 36,782.97/x
  3. Step 3: Cross multiply
    115,687.20x = 173,543.55 × 36,782.97
  4. Step 4: Simplify right side
    115,687.20x = 6,383,447,193.34
  5. Step 5: Solve for x
    x = 6,383,447,193.34/115,687.20
  6. Step 6: Final answer
    x = 55,178.51

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