Home / 203,265.70-280,514.04-122,677.49

Finding the Fourth Proportional to 203,265.70, 280,514.04 and 122,677.49

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Solution

The fourth proportional to 203,265.70, 280,514.04 and 122,677.49 is: 169,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,265.70 : 280,514.04 = 122,677.49 : x
  2. Step 2: Convert to fraction form
    203,265.70/280,514.04 = 122,677.49/x
  3. Step 3: Cross multiply
    203,265.70x = 280,514.04 × 122,677.49
  4. Step 4: Simplify right side
    203,265.70x = 34,412,757,000.31
  5. Step 5: Solve for x
    x = 34,412,757,000.31/203,265.70
  6. Step 6: Final answer
    x = 169,299.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.