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Finding the Fourth Proportional to 217,149.75, 325,644.55 and 74,958.84

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Solution

The fourth proportional to 217,149.75, 325,644.55 and 74,958.84 is: 112,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,149.75 : 325,644.55 = 74,958.84 : x
  2. Step 2: Convert to fraction form
    217,149.75/325,644.55 = 74,958.84/x
  3. Step 3: Cross multiply
    217,149.75x = 325,644.55 × 74,958.84
  4. Step 4: Simplify right side
    217,149.75x = 24,409,937,720.32
  5. Step 5: Solve for x
    x = 24,409,937,720.32/217,149.75
  6. Step 6: Final answer
    x = 112,410.62

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