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Finding the Fourth Proportional to 133,514.80, 200,029.20 and 105,618.40

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Solution

The fourth proportional to 133,514.80, 200,029.20 and 105,618.40 is: 158,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,514.80 : 200,029.20 = 105,618.40 : x
  2. Step 2: Convert to fraction form
    133,514.80/200,029.20 = 105,618.40/x
  3. Step 3: Cross multiply
    133,514.80x = 200,029.20 × 105,618.40
  4. Step 4: Simplify right side
    133,514.80x = 21,126,764,057.28
  5. Step 5: Solve for x
    x = 21,126,764,057.28/133,514.80
  6. Step 6: Final answer
    x = 158,235.37

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