Home / 99,481.29-149,128.12-49,514.14

Finding the Fourth Proportional to 99,481.29, 149,128.12 and 49,514.14

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Solution

The fourth proportional to 99,481.29, 149,128.12 and 49,514.14 is: 74,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481.29 : 149,128.12 = 49,514.14 : x
  2. Step 2: Convert to fraction form
    99,481.29/149,128.12 = 49,514.14/x
  3. Step 3: Cross multiply
    99,481.29x = 149,128.12 × 49,514.14
  4. Step 4: Simplify right side
    99,481.29x = 7,383,950,611.62
  5. Step 5: Solve for x
    x = 7,383,950,611.62/99,481.29
  6. Step 6: Final answer
    x = 74,224.52

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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.