Home / 126,107.69-189,161.12-41,874.23

Finding the Fourth Proportional to 126,107.69, 189,161.12 and 41,874.23

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Solution

The fourth proportional to 126,107.69, 189,161.12 and 41,874.23 is: 62,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.69 : 189,161.12 = 41,874.23 : x
  2. Step 2: Convert to fraction form
    126,107.69/189,161.12 = 41,874.23/x
  3. Step 3: Cross multiply
    126,107.69x = 189,161.12 × 41,874.23
  4. Step 4: Simplify right side
    126,107.69x = 7,920,976,823.53
  5. Step 5: Solve for x
    x = 7,920,976,823.53/126,107.69
  6. Step 6: Final answer
    x = 62,811.21

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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.