Home / 199,516.10-275,323.66-108,869.81

Finding the Fourth Proportional to 199,516.10, 275,323.66 and 108,869.81

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Solution

The fourth proportional to 199,516.10, 275,323.66 and 108,869.81 is: 150,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.10 : 275,323.66 = 108,869.81 : x
  2. Step 2: Convert to fraction form
    199,516.10/275,323.66 = 108,869.81/x
  3. Step 3: Cross multiply
    199,516.10x = 275,323.66 × 108,869.81
  4. Step 4: Simplify right side
    199,516.10x = 29,974,432,903.91
  5. Step 5: Solve for x
    x = 29,974,432,903.91/199,516.10
  6. Step 6: Final answer
    x = 150,235.66

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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.