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Finding the Fourth Proportional to 189,969.96, 262,147.68 and 105,081.96

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Solution

The fourth proportional to 189,969.96, 262,147.68 and 105,081.96 is: 145,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,969.96 : 262,147.68 = 105,081.96 : x
  2. Step 2: Convert to fraction form
    189,969.96/262,147.68 = 105,081.96/x
  3. Step 3: Cross multiply
    189,969.96x = 262,147.68 × 105,081.96
  4. Step 4: Simplify right side
    189,969.96x = 27,546,992,023.85
  5. Step 5: Solve for x
    x = 27,546,992,023.85/189,969.96
  6. Step 6: Final answer
    x = 145,007.09

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