Home / 111,175.21-166,765.28-40,103.53

Finding the Fourth Proportional to 111,175.21, 166,765.28 and 40,103.53

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Solution

The fourth proportional to 111,175.21, 166,765.28 and 40,103.53 is: 60,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,175.21 : 166,765.28 = 40,103.53 : x
  2. Step 2: Convert to fraction form
    111,175.21/166,765.28 = 40,103.53/x
  3. Step 3: Cross multiply
    111,175.21x = 166,765.28 × 40,103.53
  4. Step 4: Simplify right side
    111,175.21x = 6,687,876,409.44
  5. Step 5: Solve for x
    x = 6,687,876,409.44/111,175.21
  6. Step 6: Final answer
    x = 60,156.18

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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.