Home / 169,996.06-254,994-80,979.76

Finding the Fourth Proportional to 169,996.06, 254,994 and 80,979.76

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Solution

The fourth proportional to 169,996.06, 254,994 and 80,979.76 is: 121,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,996.06 : 254,994 = 80,979.76 : x
  2. Step 2: Convert to fraction form
    169,996.06/254,994 = 80,979.76/x
  3. Step 3: Cross multiply
    169,996.06x = 254,994 × 80,979.76
  4. Step 4: Simplify right side
    169,996.06x = 20,649,352,921.44
  5. Step 5: Solve for x
    x = 20,649,352,921.44/169,996.06
  6. Step 6: Final answer
    x = 121,469.60

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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.