Home / 269,815.80-404,723.70-137,105.40

Finding the Fourth Proportional to 269,815.80, 404,723.70 and 137,105.40

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Solution

The fourth proportional to 269,815.80, 404,723.70 and 137,105.40 is: 205,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,815.80 : 404,723.70 = 137,105.40 : x
  2. Step 2: Convert to fraction form
    269,815.80/404,723.70 = 137,105.40/x
  3. Step 3: Cross multiply
    269,815.80x = 404,723.70 × 137,105.40
  4. Step 4: Simplify right side
    269,815.80x = 55,489,804,777.98
  5. Step 5: Solve for x
    x = 55,489,804,777.98/269,815.80
  6. Step 6: Final answer
    x = 205,658.10

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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.