Home / 100,198.44-150,307.54-29,121.70

Finding the Fourth Proportional to 100,198.44, 150,307.54 and 29,121.70

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Solution

The fourth proportional to 100,198.44, 150,307.54 and 29,121.70 is: 43,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,198.44 : 150,307.54 = 29,121.70 : x
  2. Step 2: Convert to fraction form
    100,198.44/150,307.54 = 29,121.70/x
  3. Step 3: Cross multiply
    100,198.44x = 150,307.54 × 29,121.70
  4. Step 4: Simplify right side
    100,198.44x = 4,377,211,087.62
  5. Step 5: Solve for x
    x = 4,377,211,087.62/100,198.44
  6. Step 6: Final answer
    x = 43,685.42

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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.