Home / 188,299.38-259,852.34-102,257.76

Finding the Fourth Proportional to 188,299.38, 259,852.34 and 102,257.76

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Solution

The fourth proportional to 188,299.38, 259,852.34 and 102,257.76 is: 141,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,299.38 : 259,852.34 = 102,257.76 : x
  2. Step 2: Convert to fraction form
    188,299.38/259,852.34 = 102,257.76/x
  3. Step 3: Cross multiply
    188,299.38x = 259,852.34 × 102,257.76
  4. Step 4: Simplify right side
    188,299.38x = 26,571,917,412.38
  5. Step 5: Solve for x
    x = 26,571,917,412.38/188,299.38
  6. Step 6: Final answer
    x = 141,115.26

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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.