Home / 126,143.70-189,249.58-41,917.48

Finding the Fourth Proportional to 126,143.70, 189,249.58 and 41,917.48

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Solution

The fourth proportional to 126,143.70, 189,249.58 and 41,917.48 is: 62,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,143.70 : 189,249.58 = 41,917.48 : x
  2. Step 2: Convert to fraction form
    126,143.70/189,249.58 = 41,917.48/x
  3. Step 3: Cross multiply
    126,143.70x = 189,249.58 × 41,917.48
  4. Step 4: Simplify right side
    126,143.70x = 7,932,865,484.66
  5. Step 5: Solve for x
    x = 7,932,865,484.66/126,143.70
  6. Step 6: Final answer
    x = 62,887.53

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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.