Home / 125,198.83-187,758.60-40,939.53

Finding the Fourth Proportional to 125,198.83, 187,758.60 and 40,939.53

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Solution

The fourth proportional to 125,198.83, 187,758.60 and 40,939.53 is: 61,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,198.83 : 187,758.60 = 40,939.53 : x
  2. Step 2: Convert to fraction form
    125,198.83/187,758.60 = 40,939.53/x
  3. Step 3: Cross multiply
    125,198.83x = 187,758.60 × 40,939.53
  4. Step 4: Simplify right side
    125,198.83x = 7,686,748,837.46
  5. Step 5: Solve for x
    x = 7,686,748,837.46/125,198.83
  6. Step 6: Final answer
    x = 61,396.33

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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.