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Finding the Fourth Proportional to 116,279.20, 174,418.80 and 28,727.20

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Solution

The fourth proportional to 116,279.20, 174,418.80 and 28,727.20 is: 43,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,279.20 : 174,418.80 = 28,727.20 : x
  2. Step 2: Convert to fraction form
    116,279.20/174,418.80 = 28,727.20/x
  3. Step 3: Cross multiply
    116,279.20x = 174,418.80 × 28,727.20
  4. Step 4: Simplify right side
    116,279.20x = 5,010,563,751.36
  5. Step 5: Solve for x
    x = 5,010,563,751.36/116,279.20
  6. Step 6: Final answer
    x = 43,090.80

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