Home / 199,013.16-274,629-108,368.76

Finding the Fourth Proportional to 199,013.16, 274,629 and 108,368.76

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Solution

The fourth proportional to 199,013.16, 274,629 and 108,368.76 is: 149,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,013.16 : 274,629 = 108,368.76 : x
  2. Step 2: Convert to fraction form
    199,013.16/274,629 = 108,368.76/x
  3. Step 3: Cross multiply
    199,013.16x = 274,629 × 108,368.76
  4. Step 4: Simplify right side
    199,013.16x = 29,761,204,190.04
  5. Step 5: Solve for x
    x = 29,761,204,190.04/199,013.16
  6. Step 6: Final answer
    x = 149,543.90

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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.