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Finding the Fourth Proportional to 217,317.02, 325,961.19 and 75,129.21

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Solution

The fourth proportional to 217,317.02, 325,961.19 and 75,129.21 is: 112,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,317.02 : 325,961.19 = 75,129.21 : x
  2. Step 2: Convert to fraction form
    217,317.02/325,961.19 = 75,129.21/x
  3. Step 3: Cross multiply
    217,317.02x = 325,961.19 × 75,129.21
  4. Step 4: Simplify right side
    217,317.02x = 24,489,206,695.36
  5. Step 5: Solve for x
    x = 24,489,206,695.36/217,317.02
  6. Step 6: Final answer
    x = 112,688.86

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