Home / 221,554.20-332,331.30-132,907.80

Finding the Fourth Proportional to 221,554.20, 332,331.30 and 132,907.80

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Solution

The fourth proportional to 221,554.20, 332,331.30 and 132,907.80 is: 199,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,554.20 : 332,331.30 = 132,907.80 : x
  2. Step 2: Convert to fraction form
    221,554.20/332,331.30 = 132,907.80/x
  3. Step 3: Cross multiply
    221,554.20x = 332,331.30 × 132,907.80
  4. Step 4: Simplify right side
    221,554.20x = 44,169,421,954.14
  5. Step 5: Solve for x
    x = 44,169,421,954.14/221,554.20
  6. Step 6: Final answer
    x = 199,361.70

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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.