Home / 214,023.32-321,056.22-79,122.74

Finding the Fourth Proportional to 214,023.32, 321,056.22 and 79,122.74

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Solution

The fourth proportional to 214,023.32, 321,056.22 and 79,122.74 is: 118,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,023.32 : 321,056.22 = 79,122.74 : x
  2. Step 2: Convert to fraction form
    214,023.32/321,056.22 = 79,122.74/x
  3. Step 3: Cross multiply
    214,023.32x = 321,056.22 × 79,122.74
  4. Step 4: Simplify right side
    214,023.32x = 25,402,847,820.44
  5. Step 5: Solve for x
    x = 25,402,847,820.44/214,023.32
  6. Step 6: Final answer
    x = 118,691.96

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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.