Home / 180,388.22-270,584.15-80,553.49

Finding the Fourth Proportional to 180,388.22, 270,584.15 and 80,553.49

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Solution

The fourth proportional to 180,388.22, 270,584.15 and 80,553.49 is: 120,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,388.22 : 270,584.15 = 80,553.49 : x
  2. Step 2: Convert to fraction form
    180,388.22/270,584.15 = 80,553.49/x
  3. Step 3: Cross multiply
    180,388.22x = 270,584.15 × 80,553.49
  4. Step 4: Simplify right side
    180,388.22x = 21,796,496,541.96
  5. Step 5: Solve for x
    x = 21,796,496,541.96/180,388.22
  6. Step 6: Final answer
    x = 120,831.05

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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.