Home / 214,519.14-321,820.65-64,771.62

Finding the Fourth Proportional to 214,519.14, 321,820.65 and 64,771.62

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Solution

The fourth proportional to 214,519.14, 321,820.65 and 64,771.62 is: 97,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,519.14 : 321,820.65 = 64,771.62 : x
  2. Step 2: Convert to fraction form
    214,519.14/321,820.65 = 64,771.62/x
  3. Step 3: Cross multiply
    214,519.14x = 321,820.65 × 64,771.62
  4. Step 4: Simplify right side
    214,519.14x = 20,844,844,849.95
  5. Step 5: Solve for x
    x = 20,844,844,849.95/214,519.14
  6. Step 6: Final answer
    x = 97,170.09

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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.