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Finding the Fourth Proportional to 109,690.68, 164,515.12 and 53,474.28

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Solution

The fourth proportional to 109,690.68, 164,515.12 and 53,474.28 is: 80,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,690.68 : 164,515.12 = 53,474.28 : x
  2. Step 2: Convert to fraction form
    109,690.68/164,515.12 = 53,474.28/x
  3. Step 3: Cross multiply
    109,690.68x = 164,515.12 × 53,474.28
  4. Step 4: Simplify right side
    109,690.68x = 8,797,327,591.11
  5. Step 5: Solve for x
    x = 8,797,327,591.11/109,690.68
  6. Step 6: Final answer
    x = 80,201.23

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