Home / 199,065.20-274,715.18-108,424.60

Finding the Fourth Proportional to 199,065.20, 274,715.18 and 108,424.60

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Solution

The fourth proportional to 199,065.20, 274,715.18 and 108,424.60 is: 149,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,065.20 : 274,715.18 = 108,424.60 : x
  2. Step 2: Convert to fraction form
    199,065.20/274,715.18 = 108,424.60/x
  3. Step 3: Cross multiply
    199,065.20x = 274,715.18 × 108,424.60
  4. Step 4: Simplify right side
    199,065.20x = 29,785,883,505.43
  5. Step 5: Solve for x
    x = 29,785,883,505.43/199,065.20
  6. Step 6: Final answer
    x = 149,628.78

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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.