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Finding the Fourth Proportional to 95,996.80, 143,995.20 and 72,668.80

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Solution

The fourth proportional to 95,996.80, 143,995.20 and 72,668.80 is: 109,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,996.80 : 143,995.20 = 72,668.80 : x
  2. Step 2: Convert to fraction form
    95,996.80/143,995.20 = 72,668.80/x
  3. Step 3: Cross multiply
    95,996.80x = 143,995.20 × 72,668.80
  4. Step 4: Simplify right side
    95,996.80x = 10,463,958,389.76
  5. Step 5: Solve for x
    x = 10,463,958,389.76/95,996.80
  6. Step 6: Final answer
    x = 109,003.20

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