Home / 239,902.08-331,074.72-149,311.68

Finding the Fourth Proportional to 239,902.08, 331,074.72 and 149,311.68

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Solution

The fourth proportional to 239,902.08, 331,074.72 and 149,311.68 is: 206,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,902.08 : 331,074.72 = 149,311.68 : x
  2. Step 2: Convert to fraction form
    239,902.08/331,074.72 = 149,311.68/x
  3. Step 3: Cross multiply
    239,902.08x = 331,074.72 × 149,311.68
  4. Step 4: Simplify right side
    239,902.08x = 49,433,322,648.73
  5. Step 5: Solve for x
    x = 49,433,322,648.73/239,902.08
  6. Step 6: Final answer
    x = 206,056.25

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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.