Home / 131,685.82-197,370.81-67,578.03

Finding the Fourth Proportional to 131,685.82, 197,370.81 and 67,578.03

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Solution

The fourth proportional to 131,685.82, 197,370.81 and 67,578.03 is: 101,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,685.82 : 197,370.81 = 67,578.03 : x
  2. Step 2: Convert to fraction form
    131,685.82/197,370.81 = 67,578.03/x
  3. Step 3: Cross multiply
    131,685.82x = 197,370.81 × 67,578.03
  4. Step 4: Simplify right side
    131,685.82x = 13,337,930,519.30
  5. Step 5: Solve for x
    x = 13,337,930,519.30/131,685.82
  6. Step 6: Final answer
    x = 101,286.01

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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.