Home / 204,734.80-307,296.60-126,002.80

Finding the Fourth Proportional to 204,734.80, 307,296.60 and 126,002.80

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Solution

The fourth proportional to 204,734.80, 307,296.60 and 126,002.80 is: 189,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,734.80 : 307,296.60 = 126,002.80 : x
  2. Step 2: Convert to fraction form
    204,734.80/307,296.60 = 126,002.80/x
  3. Step 3: Cross multiply
    204,734.80x = 307,296.60 × 126,002.80
  4. Step 4: Simplify right side
    204,734.80x = 38,720,232,030.48
  5. Step 5: Solve for x
    x = 38,720,232,030.48/204,734.80
  6. Step 6: Final answer
    x = 189,123.84

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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.