Home / 143,091.69-214,645.43-43,249.37

Finding the Fourth Proportional to 143,091.69, 214,645.43 and 43,249.37

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Solution

The fourth proportional to 143,091.69, 214,645.43 and 43,249.37 is: 64,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.69 : 214,645.43 = 43,249.37 : x
  2. Step 2: Convert to fraction form
    143,091.69/214,645.43 = 43,249.37/x
  3. Step 3: Cross multiply
    143,091.69x = 214,645.43 × 43,249.37
  4. Step 4: Simplify right side
    143,091.69x = 9,283,278,655.78
  5. Step 5: Solve for x
    x = 9,283,278,655.78/143,091.69
  6. Step 6: Final answer
    x = 64,876.43

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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.