Home / 135,324.07-202,930.61-40,520.86

Finding the Fourth Proportional to 135,324.07, 202,930.61 and 40,520.86

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Solution

The fourth proportional to 135,324.07, 202,930.61 and 40,520.86 is: 60,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.07 : 202,930.61 = 40,520.86 : x
  2. Step 2: Convert to fraction form
    135,324.07/202,930.61 = 40,520.86/x
  3. Step 3: Cross multiply
    135,324.07x = 202,930.61 × 40,520.86
  4. Step 4: Simplify right side
    135,324.07x = 8,222,921,620.27
  5. Step 5: Solve for x
    x = 8,222,921,620.27/135,324.07
  6. Step 6: Final answer
    x = 60,764.67

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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.