Home / 84,228.35-126,335.24-34,313.72

Finding the Fourth Proportional to 84,228.35, 126,335.24 and 34,313.72

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Solution

The fourth proportional to 84,228.35, 126,335.24 and 34,313.72 is: 51,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,228.35 : 126,335.24 = 34,313.72 : x
  2. Step 2: Convert to fraction form
    84,228.35/126,335.24 = 34,313.72/x
  3. Step 3: Cross multiply
    84,228.35x = 126,335.24 × 34,313.72
  4. Step 4: Simplify right side
    84,228.35x = 4,335,031,879.92
  5. Step 5: Solve for x
    x = 4,335,031,879.92/84,228.35
  6. Step 6: Final answer
    x = 51,467.61

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1.5x scale

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.