Home / 133,769.88-200,665.76-67,175.73

Finding the Fourth Proportional to 133,769.88, 200,665.76 and 67,175.73

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Solution

The fourth proportional to 133,769.88, 200,665.76 and 67,175.73 is: 100,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.88 : 200,665.76 = 67,175.73 : x
  2. Step 2: Convert to fraction form
    133,769.88/200,665.76 = 67,175.73/x
  3. Step 3: Cross multiply
    133,769.88x = 200,665.76 × 67,175.73
  4. Step 4: Simplify right side
    133,769.88x = 13,479,868,578.13
  5. Step 5: Solve for x
    x = 13,479,868,578.13/133,769.88
  6. Step 6: Final answer
    x = 100,769.09

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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.