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Finding the Fourth Proportional to 110,646.18, 165,930.89 and 68,461.78

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Solution

The fourth proportional to 110,646.18, 165,930.89 and 68,461.78 is: 102,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,646.18 : 165,930.89 = 68,461.78 : x
  2. Step 2: Convert to fraction form
    110,646.18/165,930.89 = 68,461.78/x
  3. Step 3: Cross multiply
    110,646.18x = 165,930.89 × 68,461.78
  4. Step 4: Simplify right side
    110,646.18x = 11,359,924,086.38
  5. Step 5: Solve for x
    x = 11,359,924,086.38/110,646.18
  6. Step 6: Final answer
    x = 102,668.92

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