Home / 180,738.02-270,997.56-80,879.60

Finding the Fourth Proportional to 180,738.02, 270,997.56 and 80,879.60

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Solution

The fourth proportional to 180,738.02, 270,997.56 and 80,879.60 is: 121,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,738.02 : 270,997.56 = 80,879.60 : x
  2. Step 2: Convert to fraction form
    180,738.02/270,997.56 = 80,879.60/x
  3. Step 3: Cross multiply
    180,738.02x = 270,997.56 × 80,879.60
  4. Step 4: Simplify right side
    180,738.02x = 21,918,174,253.78
  5. Step 5: Solve for x
    x = 21,918,174,253.78/180,738.02
  6. Step 6: Final answer
    x = 121,270.41

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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.