Home / 111,174.21-166,763.78-40,102.53

Finding the Fourth Proportional to 111,174.21, 166,763.78 and 40,102.53

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Solution

The fourth proportional to 111,174.21, 166,763.78 and 40,102.53 is: 60,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.21 : 166,763.78 = 40,102.53 : x
  2. Step 2: Convert to fraction form
    111,174.21/166,763.78 = 40,102.53/x
  3. Step 3: Cross multiply
    111,174.21x = 166,763.78 × 40,102.53
  4. Step 4: Simplify right side
    111,174.21x = 6,687,649,289.85
  5. Step 5: Solve for x
    x = 6,687,649,289.85/111,174.21
  6. Step 6: Final answer
    x = 60,154.68

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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.