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Finding the Fourth Proportional to 87,167.67, 120,305.16 and 53,183.58

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Solution

The fourth proportional to 87,167.67, 120,305.16 and 53,183.58 is: 73,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.67 : 120,305.16 = 53,183.58 : x
  2. Step 2: Convert to fraction form
    87,167.67/120,305.16 = 53,183.58/x
  3. Step 3: Cross multiply
    87,167.67x = 120,305.16 × 53,183.58
  4. Step 4: Simplify right side
    87,167.67x = 6,398,259,101.27
  5. Step 5: Solve for x
    x = 6,398,259,101.27/87,167.67
  6. Step 6: Final answer
    x = 73,401.75

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