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Finding the Fourth Proportional to 98,198.46, 135,514.76 and 55,757.88

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Solution

The fourth proportional to 98,198.46, 135,514.76 and 55,757.88 is: 76,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,198.46 : 135,514.76 = 55,757.88 : x
  2. Step 2: Convert to fraction form
    98,198.46/135,514.76 = 55,757.88/x
  3. Step 3: Cross multiply
    98,198.46x = 135,514.76 × 55,757.88
  4. Step 4: Simplify right side
    98,198.46x = 7,556,015,447.52
  5. Step 5: Solve for x
    x = 7,556,015,447.52/98,198.46
  6. Step 6: Final answer
    x = 76,946.37

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