Home / 172,761.32-258,556.80-106,243.64

Finding the Fourth Proportional to 172,761.32, 258,556.80 and 106,243.64

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Solution

The fourth proportional to 172,761.32, 258,556.80 and 106,243.64 is: 159,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,761.32 : 258,556.80 = 106,243.64 : x
  2. Step 2: Convert to fraction form
    172,761.32/258,556.80 = 106,243.64/x
  3. Step 3: Cross multiply
    172,761.32x = 258,556.80 × 106,243.64
  4. Step 4: Simplify right side
    172,761.32x = 27,470,015,578.75
  5. Step 5: Solve for x
    x = 27,470,015,578.75/172,761.32
  6. Step 6: Final answer
    x = 159,005.59

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1.5x scale

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.