Home / 169,712.26-254,180.89-81,028.05

Finding the Fourth Proportional to 169,712.26, 254,180.89 and 81,028.05

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Solution

The fourth proportional to 169,712.26, 254,180.89 and 81,028.05 is: 121,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.26 : 254,180.89 = 81,028.05 : x
  2. Step 2: Convert to fraction form
    169,712.26/254,180.89 = 81,028.05/x
  3. Step 3: Cross multiply
    169,712.26x = 254,180.89 × 81,028.05
  4. Step 4: Simplify right side
    169,712.26x = 20,595,780,556.29
  5. Step 5: Solve for x
    x = 20,595,780,556.29/169,712.26
  6. Step 6: Final answer
    x = 121,357.06

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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.