Home / 214,069.48-321,151.20-71,909.62

Finding the Fourth Proportional to 214,069.48, 321,151.20 and 71,909.62

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Solution

The fourth proportional to 214,069.48, 321,151.20 and 71,909.62 is: 107,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,069.48 : 321,151.20 = 71,909.62 : x
  2. Step 2: Convert to fraction form
    214,069.48/321,151.20 = 71,909.62/x
  3. Step 3: Cross multiply
    214,069.48x = 321,151.20 × 71,909.62
  4. Step 4: Simplify right side
    214,069.48x = 23,093,860,754.54
  5. Step 5: Solve for x
    x = 23,093,860,754.54/214,069.48
  6. Step 6: Final answer
    x = 107,880.21

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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.