Home / 135,516.10-203,306.45-46,770.38

Finding the Fourth Proportional to 135,516.10, 203,306.45 and 46,770.38

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Solution

The fourth proportional to 135,516.10, 203,306.45 and 46,770.38 is: 70,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516.10 : 203,306.45 = 46,770.38 : x
  2. Step 2: Convert to fraction form
    135,516.10/203,306.45 = 46,770.38/x
  3. Step 3: Cross multiply
    135,516.10x = 203,306.45 × 46,770.38
  4. Step 4: Simplify right side
    135,516.10x = 9,508,718,672.57
  5. Step 5: Solve for x
    x = 9,508,718,672.57/135,516.10
  6. Step 6: Final answer
    x = 70,166.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.