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Finding the Fourth Proportional to 110,287.80, 165,431.70 and 43,743.80

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Solution

The fourth proportional to 110,287.80, 165,431.70 and 43,743.80 is: 65,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,287.80 : 165,431.70 = 43,743.80 : x
  2. Step 2: Convert to fraction form
    110,287.80/165,431.70 = 43,743.80/x
  3. Step 3: Cross multiply
    110,287.80x = 165,431.70 × 43,743.80
  4. Step 4: Simplify right side
    110,287.80x = 7,236,611,198.46
  5. Step 5: Solve for x
    x = 7,236,611,198.46/110,287.80
  6. Step 6: Final answer
    x = 65,615.70

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