Home / 80,190.72-120,297.24-33,432.84

Finding the Fourth Proportional to 80,190.72, 120,297.24 and 33,432.84

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Solution

The fourth proportional to 80,190.72, 120,297.24 and 33,432.84 is: 50,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.72 : 120,297.24 = 33,432.84 : x
  2. Step 2: Convert to fraction form
    80,190.72/120,297.24 = 33,432.84/x
  3. Step 3: Cross multiply
    80,190.72x = 120,297.24 × 33,432.84
  4. Step 4: Simplify right side
    80,190.72x = 4,021,878,377.36
  5. Step 5: Solve for x
    x = 4,021,878,377.36/80,190.72
  6. Step 6: Final answer
    x = 50,153.91

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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.