Home / 126,846.72-175,087.20-73,167.36

Finding the Fourth Proportional to 126,846.72, 175,087.20 and 73,167.36

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Solution

The fourth proportional to 126,846.72, 175,087.20 and 73,167.36 is: 100,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846.72 : 175,087.20 = 73,167.36 : x
  2. Step 2: Convert to fraction form
    126,846.72/175,087.20 = 73,167.36/x
  3. Step 3: Cross multiply
    126,846.72x = 175,087.20 × 73,167.36
  4. Step 4: Simplify right side
    126,846.72x = 12,810,668,193.79
  5. Step 5: Solve for x
    x = 12,810,668,193.79/126,846.72
  6. Step 6: Final answer
    x = 100,993.29

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1.5x scale

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.