Home / 166,660.22-229,990.36-90,180.66

Finding the Fourth Proportional to 166,660.22, 229,990.36 and 90,180.66

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Solution

The fourth proportional to 166,660.22, 229,990.36 and 90,180.66 is: 124,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,660.22 : 229,990.36 = 90,180.66 : x
  2. Step 2: Convert to fraction form
    166,660.22/229,990.36 = 90,180.66/x
  3. Step 3: Cross multiply
    166,660.22x = 229,990.36 × 90,180.66
  4. Step 4: Simplify right side
    166,660.22x = 20,740,682,458.44
  5. Step 5: Solve for x
    x = 20,740,682,458.44/166,660.22
  6. Step 6: Final answer
    x = 124,448.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.