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Finding the Fourth Proportional to 206,890.56, 285,509.16 and 117,466.56

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Solution

The fourth proportional to 206,890.56, 285,509.16 and 117,466.56 is: 162,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,890.56 : 285,509.16 = 117,466.56 : x
  2. Step 2: Convert to fraction form
    206,890.56/285,509.16 = 117,466.56/x
  3. Step 3: Cross multiply
    206,890.56x = 285,509.16 × 117,466.56
  4. Step 4: Simplify right side
    206,890.56x = 33,537,778,873.69
  5. Step 5: Solve for x
    x = 33,537,778,873.69/206,890.56
  6. Step 6: Final answer
    x = 162,103.96

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