Home / 172,299.24-237,738.11-100,665.43

Finding the Fourth Proportional to 172,299.24, 237,738.11 and 100,665.43

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Solution

The fourth proportional to 172,299.24, 237,738.11 and 100,665.43 is: 138,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299.24 : 237,738.11 = 100,665.43 : x
  2. Step 2: Convert to fraction form
    172,299.24/237,738.11 = 100,665.43/x
  3. Step 3: Cross multiply
    172,299.24x = 237,738.11 × 100,665.43
  4. Step 4: Simplify right side
    172,299.24x = 23,932,009,070.54
  5. Step 5: Solve for x
    x = 23,932,009,070.54/172,299.24
  6. Step 6: Final answer
    x = 138,897.94

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1.5x scale

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.