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Finding the Fourth Proportional to 206,165.96, 309,058.66 and 143,015.88

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Solution

The fourth proportional to 206,165.96, 309,058.66 and 143,015.88 is: 214,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,165.96 : 309,058.66 = 143,015.88 : x
  2. Step 2: Convert to fraction form
    206,165.96/309,058.66 = 143,015.88/x
  3. Step 3: Cross multiply
    206,165.96x = 309,058.66 × 143,015.88
  4. Step 4: Simplify right side
    206,165.96x = 44,200,296,231.52
  5. Step 5: Solve for x
    x = 44,200,296,231.52/206,165.96
  6. Step 6: Final answer
    x = 214,391.82

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