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Finding the Fourth Proportional to 78,190.87, 107,902.23 and 44,198.16

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Solution

The fourth proportional to 78,190.87, 107,902.23 and 44,198.16 is: 60,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,190.87 : 107,902.23 = 44,198.16 : x
  2. Step 2: Convert to fraction form
    78,190.87/107,902.23 = 44,198.16/x
  3. Step 3: Cross multiply
    78,190.87x = 107,902.23 × 44,198.16
  4. Step 4: Simplify right side
    78,190.87x = 4,769,080,738.87
  5. Step 5: Solve for x
    x = 4,769,080,738.87/78,190.87
  6. Step 6: Final answer
    x = 60,992.81

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