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Finding the Fourth Proportional to 193,181.20, 289,771.80 and 133,046.80

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Solution

The fourth proportional to 193,181.20, 289,771.80 and 133,046.80 is: 199,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,181.20 : 289,771.80 = 133,046.80 : x
  2. Step 2: Convert to fraction form
    193,181.20/289,771.80 = 133,046.80/x
  3. Step 3: Cross multiply
    193,181.20x = 289,771.80 × 133,046.80
  4. Step 4: Simplify right side
    193,181.20x = 38,553,210,720.24
  5. Step 5: Solve for x
    x = 38,553,210,720.24/193,181.20
  6. Step 6: Final answer
    x = 199,570.20

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