Home / 131,665.80-197,494.26-52,758.84

Finding the Fourth Proportional to 131,665.80, 197,494.26 and 52,758.84

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Solution

The fourth proportional to 131,665.80, 197,494.26 and 52,758.84 is: 79,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,665.80 : 197,494.26 = 52,758.84 : x
  2. Step 2: Convert to fraction form
    131,665.80/197,494.26 = 52,758.84/x
  3. Step 3: Cross multiply
    131,665.80x = 197,494.26 × 52,758.84
  4. Step 4: Simplify right side
    131,665.80x = 10,419,568,064.26
  5. Step 5: Solve for x
    x = 10,419,568,064.26/131,665.80
  6. Step 6: Final answer
    x = 79,136.48

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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.