Home / 204,983.30-307,532.55-99,805.70

Finding the Fourth Proportional to 204,983.30, 307,532.55 and 99,805.70

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Solution

The fourth proportional to 204,983.30, 307,532.55 and 99,805.70 is: 149,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,983.30 : 307,532.55 = 99,805.70 : x
  2. Step 2: Convert to fraction form
    204,983.30/307,532.55 = 99,805.70/x
  3. Step 3: Cross multiply
    204,983.30x = 307,532.55 × 99,805.70
  4. Step 4: Simplify right side
    204,983.30x = 30,693,501,425.54
  5. Step 5: Solve for x
    x = 30,693,501,425.54/204,983.30
  6. Step 6: Final answer
    x = 149,736.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.