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Finding the Fourth Proportional to 196,311.80, 270,911.58 and 111,430.28

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Solution

The fourth proportional to 196,311.80, 270,911.58 and 111,430.28 is: 153,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,311.80 : 270,911.58 = 111,430.28 : x
  2. Step 2: Convert to fraction form
    196,311.80/270,911.58 = 111,430.28/x
  3. Step 3: Cross multiply
    196,311.80x = 270,911.58 × 111,430.28
  4. Step 4: Simplify right side
    196,311.80x = 30,187,753,214.64
  5. Step 5: Solve for x
    x = 30,187,753,214.64/196,311.80
  6. Step 6: Final answer
    x = 153,774.52

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