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Finding the Fourth Proportional to 192,421.44, 288,165.60 and 133,090.56

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Solution

The fourth proportional to 192,421.44, 288,165.60 and 133,090.56 is: 199,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,421.44 : 288,165.60 = 133,090.56 : x
  2. Step 2: Convert to fraction form
    192,421.44/288,165.60 = 133,090.56/x
  3. Step 3: Cross multiply
    192,421.44x = 288,165.60 × 133,090.56
  4. Step 4: Simplify right side
    192,421.44x = 38,352,121,076.74
  5. Step 5: Solve for x
    x = 38,352,121,076.74/192,421.44
  6. Step 6: Final answer
    x = 199,313.14

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