Home / 214,050.20-321,180.82-100,205.73

Finding the Fourth Proportional to 214,050.20, 321,180.82 and 100,205.73

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Solution

The fourth proportional to 214,050.20, 321,180.82 and 100,205.73 is: 150,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,050.20 : 321,180.82 = 100,205.73 : x
  2. Step 2: Convert to fraction form
    214,050.20/321,180.82 = 100,205.73/x
  3. Step 3: Cross multiply
    214,050.20x = 321,180.82 × 100,205.73
  4. Step 4: Simplify right side
    214,050.20x = 32,184,158,029.07
  5. Step 5: Solve for x
    x = 32,184,158,029.07/214,050.20
  6. Step 6: Final answer
    x = 150,357.99

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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.