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Finding the Fourth Proportional to 90,173.88, 135,273.15 and 37,571.09

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Solution

The fourth proportional to 90,173.88, 135,273.15 and 37,571.09 is: 56,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173.88 : 135,273.15 = 37,571.09 : x
  2. Step 2: Convert to fraction form
    90,173.88/135,273.15 = 37,571.09/x
  3. Step 3: Cross multiply
    90,173.88x = 135,273.15 × 37,571.09
  4. Step 4: Simplify right side
    90,173.88x = 5,082,359,016.87
  5. Step 5: Solve for x
    x = 5,082,359,016.87/90,173.88
  6. Step 6: Final answer
    x = 56,361.76

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