Home / 214,197.14-321,355.91-79,259.22

Finding the Fourth Proportional to 214,197.14, 321,355.91 and 79,259.22

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Solution

The fourth proportional to 214,197.14, 321,355.91 and 79,259.22 is: 118,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,197.14 : 321,355.91 = 79,259.22 : x
  2. Step 2: Convert to fraction form
    214,197.14/321,355.91 = 79,259.22/x
  3. Step 3: Cross multiply
    214,197.14x = 321,355.91 × 79,259.22
  4. Step 4: Simplify right side
    214,197.14x = 25,470,418,768.99
  5. Step 5: Solve for x
    x = 25,470,418,768.99/214,197.14
  6. Step 6: Final answer
    x = 118,911.11

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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.