Home / 221,217.82-332,159.03-126,554.88

Finding the Fourth Proportional to 221,217.82, 332,159.03 and 126,554.88

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Solution

The fourth proportional to 221,217.82, 332,159.03 and 126,554.88 is: 190,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,217.82 : 332,159.03 = 126,554.88 : x
  2. Step 2: Convert to fraction form
    221,217.82/332,159.03 = 126,554.88/x
  3. Step 3: Cross multiply
    221,217.82x = 332,159.03 × 126,554.88
  4. Step 4: Simplify right side
    221,217.82x = 42,036,346,182.57
  5. Step 5: Solve for x
    x = 42,036,346,182.57/221,217.82
  6. Step 6: Final answer
    x = 190,022.42

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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.