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Finding the Fourth Proportional to 260,723.40, 391,230.90 and 110,938.20

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Solution

The fourth proportional to 260,723.40, 391,230.90 and 110,938.20 is: 166,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,723.40 : 391,230.90 = 110,938.20 : x
  2. Step 2: Convert to fraction form
    260,723.40/391,230.90 = 110,938.20/x
  3. Step 3: Cross multiply
    260,723.40x = 391,230.90 × 110,938.20
  4. Step 4: Simplify right side
    260,723.40x = 43,402,451,830.38
  5. Step 5: Solve for x
    x = 43,402,451,830.38/260,723.40
  6. Step 6: Final answer
    x = 166,469.34

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