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Finding the Fourth Proportional to 263,193.57, 394,940.84 and 111,378.69

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Solution

The fourth proportional to 263,193.57, 394,940.84 and 111,378.69 is: 167,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,193.57 : 394,940.84 = 111,378.69 : x
  2. Step 2: Convert to fraction form
    263,193.57/394,940.84 = 111,378.69/x
  3. Step 3: Cross multiply
    263,193.57x = 394,940.84 × 111,378.69
  4. Step 4: Simplify right side
    263,193.57x = 43,987,992,829.81
  5. Step 5: Solve for x
    x = 43,987,992,829.81/263,193.57
  6. Step 6: Final answer
    x = 167,131.72

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