Home / 172,299.27-237,738.16-100,665.46

Finding the Fourth Proportional to 172,299.27, 237,738.16 and 100,665.46

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Solution

The fourth proportional to 172,299.27, 237,738.16 and 100,665.46 is: 138,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299.27 : 237,738.16 = 100,665.46 : x
  2. Step 2: Convert to fraction form
    172,299.27/237,738.16 = 100,665.46/x
  3. Step 3: Cross multiply
    172,299.27x = 237,738.16 × 100,665.46
  4. Step 4: Simplify right side
    172,299.27x = 23,932,019,755.44
  5. Step 5: Solve for x
    x = 23,932,019,755.44/172,299.27
  6. Step 6: Final answer
    x = 138,897.97

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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.