Home / 214,104.24-320,981.32-80,909.04

Finding the Fourth Proportional to 214,104.24, 320,981.32 and 80,909.04

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Solution

The fourth proportional to 214,104.24, 320,981.32 and 80,909.04 is: 121,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,104.24 : 320,981.32 = 80,909.04 : x
  2. Step 2: Convert to fraction form
    214,104.24/320,981.32 = 80,909.04/x
  3. Step 3: Cross multiply
    214,104.24x = 320,981.32 × 80,909.04
  4. Step 4: Simplify right side
    214,104.24x = 25,970,290,459.13
  5. Step 5: Solve for x
    x = 25,970,290,459.13/214,104.24
  6. Step 6: Final answer
    x = 121,297.41

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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.