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Finding the Fourth Proportional to 110,513.55, 165,770.33 and 40,420.20

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Solution

The fourth proportional to 110,513.55, 165,770.33 and 40,420.20 is: 60,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,513.55 : 165,770.33 = 40,420.20 : x
  2. Step 2: Convert to fraction form
    110,513.55/165,770.33 = 40,420.20/x
  3. Step 3: Cross multiply
    110,513.55x = 165,770.33 × 40,420.20
  4. Step 4: Simplify right side
    110,513.55x = 6,700,469,690.57
  5. Step 5: Solve for x
    x = 6,700,469,690.57/110,513.55
  6. Step 6: Final answer
    x = 60,630.30

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