Home / 87,781.20-131,671.32-35,153.04

Finding the Fourth Proportional to 87,781.20, 131,671.32 and 35,153.04

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Solution

The fourth proportional to 87,781.20, 131,671.32 and 35,153.04 is: 52,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,781.20 : 131,671.32 = 35,153.04 : x
  2. Step 2: Convert to fraction form
    87,781.20/131,671.32 = 35,153.04/x
  3. Step 3: Cross multiply
    87,781.20x = 131,671.32 × 35,153.04
  4. Step 4: Simplify right side
    87,781.20x = 4,628,647,178.81
  5. Step 5: Solve for x
    x = 4,628,647,178.81/87,781.20
  6. Step 6: Final answer
    x = 52,729.37

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