Home / 166,636.89-250,039.17-66,868.38

Finding the Fourth Proportional to 166,636.89, 250,039.17 and 66,868.38

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Solution

The fourth proportional to 166,636.89, 250,039.17 and 66,868.38 is: 100,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,636.89 : 250,039.17 = 66,868.38 : x
  2. Step 2: Convert to fraction form
    166,636.89/250,039.17 = 66,868.38/x
  3. Step 3: Cross multiply
    166,636.89x = 250,039.17 × 66,868.38
  4. Step 4: Simplify right side
    166,636.89x = 16,719,714,234.44
  5. Step 5: Solve for x
    x = 16,719,714,234.44/166,636.89
  6. Step 6: Final answer
    x = 100,336.21

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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.