Home / 221,434.88-332,205.05-71,675.20

Finding the Fourth Proportional to 221,434.88, 332,205.05 and 71,675.20

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Solution

The fourth proportional to 221,434.88, 332,205.05 and 71,675.20 is: 107,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434.88 : 332,205.05 = 71,675.20 : x
  2. Step 2: Convert to fraction form
    221,434.88/332,205.05 = 71,675.20/x
  3. Step 3: Cross multiply
    221,434.88x = 332,205.05 × 71,675.20
  4. Step 4: Simplify right side
    221,434.88x = 23,810,863,399.76
  5. Step 5: Solve for x
    x = 23,810,863,399.76/221,434.88
  6. Step 6: Final answer
    x = 107,529.87

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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.