Home / 199,198.70-274,886.21-108,552.74

Finding the Fourth Proportional to 199,198.70, 274,886.21 and 108,552.74

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Solution

The fourth proportional to 199,198.70, 274,886.21 and 108,552.74 is: 149,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,198.70 : 274,886.21 = 108,552.74 : x
  2. Step 2: Convert to fraction form
    199,198.70/274,886.21 = 108,552.74/x
  3. Step 3: Cross multiply
    199,198.70x = 274,886.21 × 108,552.74
  4. Step 4: Simplify right side
    199,198.70x = 29,839,650,180.67
  5. Step 5: Solve for x
    x = 29,839,650,180.67/199,198.70
  6. Step 6: Final answer
    x = 149,798.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.