Home / 204,984.30-307,534.05-99,806.70

Finding the Fourth Proportional to 204,984.30, 307,534.05 and 99,806.70

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Solution

The fourth proportional to 204,984.30, 307,534.05 and 99,806.70 is: 149,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,984.30 : 307,534.05 = 99,806.70 : x
  2. Step 2: Convert to fraction form
    204,984.30/307,534.05 = 99,806.70/x
  3. Step 3: Cross multiply
    204,984.30x = 307,534.05 × 99,806.70
  4. Step 4: Simplify right side
    204,984.30x = 30,693,958,668.14
  5. Step 5: Solve for x
    x = 30,693,958,668.14/204,984.30
  6. Step 6: Final answer
    x = 149,738.10

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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.