Home / 221,535.40-332,303.10-132,743.20

Finding the Fourth Proportional to 221,535.40, 332,303.10 and 132,743.20

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Solution

The fourth proportional to 221,535.40, 332,303.10 and 132,743.20 is: 199,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,535.40 : 332,303.10 = 132,743.20 : x
  2. Step 2: Convert to fraction form
    221,535.40/332,303.10 = 132,743.20/x
  3. Step 3: Cross multiply
    221,535.40x = 332,303.10 × 132,743.20
  4. Step 4: Simplify right side
    221,535.40x = 44,110,976,863.92
  5. Step 5: Solve for x
    x = 44,110,976,863.92/221,535.40
  6. Step 6: Final answer
    x = 199,114.80

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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.