Home / 126,193.85-189,249.82-41,931.39

Finding the Fourth Proportional to 126,193.85, 189,249.82 and 41,931.39

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Solution

The fourth proportional to 126,193.85, 189,249.82 and 41,931.39 is: 62,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.85 : 189,249.82 = 41,931.39 : x
  2. Step 2: Convert to fraction form
    126,193.85/189,249.82 = 41,931.39/x
  3. Step 3: Cross multiply
    126,193.85x = 189,249.82 × 41,931.39
  4. Step 4: Simplify right side
    126,193.85x = 7,935,508,009.85
  5. Step 5: Solve for x
    x = 7,935,508,009.85/126,193.85
  6. Step 6: Final answer
    x = 62,883.48

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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.