Home / 149,722.80-224,584.20-120,198.30

Finding the Fourth Proportional to 149,722.80, 224,584.20 and 120,198.30

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Solution

The fourth proportional to 149,722.80, 224,584.20 and 120,198.30 is: 180,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,722.80 : 224,584.20 = 120,198.30 : x
  2. Step 2: Convert to fraction form
    149,722.80/224,584.20 = 120,198.30/x
  3. Step 3: Cross multiply
    149,722.80x = 224,584.20 × 120,198.30
  4. Step 4: Simplify right side
    149,722.80x = 26,994,639,046.86
  5. Step 5: Solve for x
    x = 26,994,639,046.86/149,722.80
  6. Step 6: Final answer
    x = 180,297.45

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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.