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Finding the Fourth Proportional to 147,369.20, 203,370.62 and 81,958.94

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Solution

The fourth proportional to 147,369.20, 203,370.62 and 81,958.94 is: 113,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,369.20 : 203,370.62 = 81,958.94 : x
  2. Step 2: Convert to fraction form
    147,369.20/203,370.62 = 81,958.94/x
  3. Step 3: Cross multiply
    147,369.20x = 203,370.62 × 81,958.94
  4. Step 4: Simplify right side
    147,369.20x = 16,668,041,383.31
  5. Step 5: Solve for x
    x = 16,668,041,383.31/147,369.20
  6. Step 6: Final answer
    x = 113,103.97

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