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Finding the Fourth Proportional to 192,794.67, 289,145.43 and 74,390.49

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Solution

The fourth proportional to 192,794.67, 289,145.43 and 74,390.49 is: 111,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,794.67 : 289,145.43 = 74,390.49 : x
  2. Step 2: Convert to fraction form
    192,794.67/289,145.43 = 74,390.49/x
  3. Step 3: Cross multiply
    192,794.67x = 289,145.43 × 74,390.49
  4. Step 4: Simplify right side
    192,794.67x = 21,509,670,218.96
  5. Step 5: Solve for x
    x = 21,509,670,218.96/192,794.67
  6. Step 6: Final answer
    x = 111,567.76

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