Home / 149,247.21-205,975.68-111,455.85

Finding the Fourth Proportional to 149,247.21, 205,975.68 and 111,455.85

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Solution

The fourth proportional to 149,247.21, 205,975.68 and 111,455.85 is: 153,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,247.21 : 205,975.68 = 111,455.85 : x
  2. Step 2: Convert to fraction form
    149,247.21/205,975.68 = 111,455.85/x
  3. Step 3: Cross multiply
    149,247.21x = 205,975.68 × 111,455.85
  4. Step 4: Simplify right side
    149,247.21x = 22,957,194,493.73
  5. Step 5: Solve for x
    x = 22,957,194,493.73/149,247.21
  6. Step 6: Final answer
    x = 153,819.92

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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.