Home / 133,855.14-200,514.99-80,517.69

Finding the Fourth Proportional to 133,855.14, 200,514.99 and 80,517.69

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Solution

The fourth proportional to 133,855.14, 200,514.99 and 80,517.69 is: 120,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,855.14 : 200,514.99 = 80,517.69 : x
  2. Step 2: Convert to fraction form
    133,855.14/200,514.99 = 80,517.69/x
  3. Step 3: Cross multiply
    133,855.14x = 200,514.99 × 80,517.69
  4. Step 4: Simplify right side
    133,855.14x = 16,145,003,805.17
  5. Step 5: Solve for x
    x = 16,145,003,805.17/133,855.14
  6. Step 6: Final answer
    x = 120,615.49

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1.5x scale

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.