Home / 110,811.42-166,290.03-40,691.34

Finding the Fourth Proportional to 110,811.42, 166,290.03 and 40,691.34

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Solution

The fourth proportional to 110,811.42, 166,290.03 and 40,691.34 is: 61,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811.42 : 166,290.03 = 40,691.34 : x
  2. Step 2: Convert to fraction form
    110,811.42/166,290.03 = 40,691.34/x
  3. Step 3: Cross multiply
    110,811.42x = 166,290.03 × 40,691.34
  4. Step 4: Simplify right side
    110,811.42x = 6,766,564,149.34
  5. Step 5: Solve for x
    x = 6,766,564,149.34/110,811.42
  6. Step 6: Final answer
    x = 61,063.78

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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.