Home / 125,137.38-187,704.55-50,256.18

Finding the Fourth Proportional to 125,137.38, 187,704.55 and 50,256.18

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Solution

The fourth proportional to 125,137.38, 187,704.55 and 50,256.18 is: 75,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,137.38 : 187,704.55 = 50,256.18 : x
  2. Step 2: Convert to fraction form
    125,137.38/187,704.55 = 50,256.18/x
  3. Step 3: Cross multiply
    125,137.38x = 187,704.55 × 50,256.18
  4. Step 4: Simplify right side
    125,137.38x = 9,433,313,651.62
  5. Step 5: Solve for x
    x = 9,433,313,651.62/125,137.38
  6. Step 6: Final answer
    x = 75,383.66

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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.