Home / 199,069.41-274,722.09-108,428.10

Finding the Fourth Proportional to 199,069.41, 274,722.09 and 108,428.10

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Solution

The fourth proportional to 199,069.41, 274,722.09 and 108,428.10 is: 149,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,069.41 : 274,722.09 = 108,428.10 : x
  2. Step 2: Convert to fraction form
    199,069.41/274,722.09 = 108,428.10/x
  3. Step 3: Cross multiply
    199,069.41x = 274,722.09 × 108,428.10
  4. Step 4: Simplify right side
    199,069.41x = 29,787,594,246.73
  5. Step 5: Solve for x
    x = 29,787,594,246.73/199,069.41
  6. Step 6: Final answer
    x = 149,634.21

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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.