Home / 126,872.91-175,103.26-73,147.41

Finding the Fourth Proportional to 126,872.91, 175,103.26 and 73,147.41

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Solution

The fourth proportional to 126,872.91, 175,103.26 and 73,147.41 is: 100,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.91 : 175,103.26 = 73,147.41 : x
  2. Step 2: Convert to fraction form
    126,872.91/175,103.26 = 73,147.41/x
  3. Step 3: Cross multiply
    126,872.91x = 175,103.26 × 73,147.41
  4. Step 4: Simplify right side
    126,872.91x = 12,808,349,768.69
  5. Step 5: Solve for x
    x = 12,808,349,768.69/126,872.91
  6. Step 6: Final answer
    x = 100,954.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.