Home / 197,484.78-295,756.20-126,183.36

Finding the Fourth Proportional to 197,484.78, 295,756.20 and 126,183.36

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Solution

The fourth proportional to 197,484.78, 295,756.20 and 126,183.36 is: 188,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,484.78 : 295,756.20 = 126,183.36 : x
  2. Step 2: Convert to fraction form
    197,484.78/295,756.20 = 126,183.36/x
  3. Step 3: Cross multiply
    197,484.78x = 295,756.20 × 126,183.36
  4. Step 4: Simplify right side
    197,484.78x = 37,319,511,056.83
  5. Step 5: Solve for x
    x = 37,319,511,056.83/197,484.78
  6. Step 6: Final answer
    x = 188,974.11

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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.