Home / 166,108.43-229,149.92-108,722.49

Finding the Fourth Proportional to 166,108.43, 229,149.92 and 108,722.49

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Solution

The fourth proportional to 166,108.43, 229,149.92 and 108,722.49 is: 149,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,108.43 : 229,149.92 = 108,722.49 : x
  2. Step 2: Convert to fraction form
    166,108.43/229,149.92 = 108,722.49/x
  3. Step 3: Cross multiply
    166,108.43x = 229,149.92 × 108,722.49
  4. Step 4: Simplify right side
    166,108.43x = 24,913,750,157.51
  5. Step 5: Solve for x
    x = 24,913,750,157.51/166,108.43
  6. Step 6: Final answer
    x = 149,984.87

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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.