Home / 204,736.80-307,299.60-126,004.80

Finding the Fourth Proportional to 204,736.80, 307,299.60 and 126,004.80

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Solution

The fourth proportional to 204,736.80, 307,299.60 and 126,004.80 is: 189,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,736.80 : 307,299.60 = 126,004.80 : x
  2. Step 2: Convert to fraction form
    204,736.80/307,299.60 = 126,004.80/x
  3. Step 3: Cross multiply
    204,736.80x = 307,299.60 × 126,004.80
  4. Step 4: Simplify right side
    204,736.80x = 38,721,224,638.08
  5. Step 5: Solve for x
    x = 38,721,224,638.08/204,736.80
  6. Step 6: Final answer
    x = 189,126.84

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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.