Home / 239,183.54-330,074.97-137,213.45

Finding the Fourth Proportional to 239,183.54, 330,074.97 and 137,213.45

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Solution

The fourth proportional to 239,183.54, 330,074.97 and 137,213.45 is: 189,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,183.54 : 330,074.97 = 137,213.45 : x
  2. Step 2: Convert to fraction form
    239,183.54/330,074.97 = 137,213.45/x
  3. Step 3: Cross multiply
    239,183.54x = 330,074.97 × 137,213.45
  4. Step 4: Simplify right side
    239,183.54x = 45,290,725,392.35
  5. Step 5: Solve for x
    x = 45,290,725,392.35/239,183.54
  6. Step 6: Final answer
    x = 189,355.53

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1.5x scale

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.