Home / 204,823.30-307,429.35-126,091.30

Finding the Fourth Proportional to 204,823.30, 307,429.35 and 126,091.30

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Solution

The fourth proportional to 204,823.30, 307,429.35 and 126,091.30 is: 189,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,823.30 : 307,429.35 = 126,091.30 : x
  2. Step 2: Convert to fraction form
    204,823.30/307,429.35 = 126,091.30/x
  3. Step 3: Cross multiply
    204,823.30x = 307,429.35 × 126,091.30
  4. Step 4: Simplify right side
    204,823.30x = 38,764,166,399.66
  5. Step 5: Solve for x
    x = 38,764,166,399.66/204,823.30
  6. Step 6: Final answer
    x = 189,256.62

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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.