Home / 133,727.76-200,568.96-40,211.64

Finding the Fourth Proportional to 133,727.76, 200,568.96 and 40,211.64

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Solution

The fourth proportional to 133,727.76, 200,568.96 and 40,211.64 is: 60,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,727.76 : 200,568.96 = 40,211.64 : x
  2. Step 2: Convert to fraction form
    133,727.76/200,568.96 = 40,211.64/x
  3. Step 3: Cross multiply
    133,727.76x = 200,568.96 × 40,211.64
  4. Step 4: Simplify right side
    133,727.76x = 8,065,206,814.69
  5. Step 5: Solve for x
    x = 8,065,206,814.69/133,727.76
  6. Step 6: Final answer
    x = 60,310.64

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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.