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Finding the Fourth Proportional to 198,650.40, 297,483.53 and 127,463.55

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Solution

The fourth proportional to 198,650.40, 297,483.53 and 127,463.55 is: 190,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,650.40 : 297,483.53 = 127,463.55 : x
  2. Step 2: Convert to fraction form
    198,650.40/297,483.53 = 127,463.55/x
  3. Step 3: Cross multiply
    198,650.40x = 297,483.53 × 127,463.55
  4. Step 4: Simplify right side
    198,650.40x = 37,918,306,163.01
  5. Step 5: Solve for x
    x = 37,918,306,163.01/198,650.40
  6. Step 6: Final answer
    x = 190,879.59

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