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Finding the Fourth Proportional to 90,254.44, 135,469.14 and 43,540.12

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Solution

The fourth proportional to 90,254.44, 135,469.14 and 43,540.12 is: 65,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.44 : 135,469.14 = 43,540.12 : x
  2. Step 2: Convert to fraction form
    90,254.44/135,469.14 = 43,540.12/x
  3. Step 3: Cross multiply
    90,254.44x = 135,469.14 × 43,540.12
  4. Step 4: Simplify right side
    90,254.44x = 5,898,342,611.90
  5. Step 5: Solve for x
    x = 5,898,342,611.90/90,254.44
  6. Step 6: Final answer
    x = 65,352.38

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