Home / 199,211.81-274,908.80-108,568.55

Finding the Fourth Proportional to 199,211.81, 274,908.80 and 108,568.55

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Solution

The fourth proportional to 199,211.81, 274,908.80 and 108,568.55 is: 149,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,211.81 : 274,908.80 = 108,568.55 : x
  2. Step 2: Convert to fraction form
    199,211.81/274,908.80 = 108,568.55/x
  3. Step 3: Cross multiply
    199,211.81x = 274,908.80 × 108,568.55
  4. Step 4: Simplify right side
    199,211.81x = 29,846,450,756.93
  5. Step 5: Solve for x
    x = 29,846,450,756.93/199,211.81
  6. Step 6: Final answer
    x = 149,822.70

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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.