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Finding the Fourth Proportional to 74,163.20, 111,223.20 and 26,772.80

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Solution

The fourth proportional to 74,163.20, 111,223.20 and 26,772.80 is: 40,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,163.20 : 111,223.20 = 26,772.80 : x
  2. Step 2: Convert to fraction form
    74,163.20/111,223.20 = 26,772.80/x
  3. Step 3: Cross multiply
    74,163.20x = 111,223.20 × 26,772.80
  4. Step 4: Simplify right side
    74,163.20x = 2,977,756,488.96
  5. Step 5: Solve for x
    x = 2,977,756,488.96/74,163.20
  6. Step 6: Final answer
    x = 40,151.40

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