Home / 172,927.12-259,422-84,180.56

Finding the Fourth Proportional to 172,927.12, 259,422 and 84,180.56

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Solution

The fourth proportional to 172,927.12, 259,422 and 84,180.56 is: 126,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,927.12 : 259,422 = 84,180.56 : x
  2. Step 2: Convert to fraction form
    172,927.12/259,422 = 84,180.56/x
  3. Step 3: Cross multiply
    172,927.12x = 259,422 × 84,180.56
  4. Step 4: Simplify right side
    172,927.12x = 21,838,289,236.32
  5. Step 5: Solve for x
    x = 21,838,289,236.32/172,927.12
  6. Step 6: Final answer
    x = 126,286.09

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1.5x scale

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.