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Finding the Fourth Proportional to 90,122.63, 135,185.76 and 27,793.13

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Solution

The fourth proportional to 90,122.63, 135,185.76 and 27,793.13 is: 41,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,122.63 : 135,185.76 = 27,793.13 : x
  2. Step 2: Convert to fraction form
    90,122.63/135,185.76 = 27,793.13/x
  3. Step 3: Cross multiply
    90,122.63x = 135,185.76 × 27,793.13
  4. Step 4: Simplify right side
    90,122.63x = 3,757,234,725.90
  5. Step 5: Solve for x
    x = 3,757,234,725.90/90,122.63
  6. Step 6: Final answer
    x = 41,690.25

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