Home / 194,280.85-268,121.30-108,245.49

Finding the Fourth Proportional to 194,280.85, 268,121.30 and 108,245.49

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Solution

The fourth proportional to 194,280.85, 268,121.30 and 108,245.49 is: 149,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,280.85 : 268,121.30 = 108,245.49 : x
  2. Step 2: Convert to fraction form
    194,280.85/268,121.30 = 108,245.49/x
  3. Step 3: Cross multiply
    194,280.85x = 268,121.30 × 108,245.49
  4. Step 4: Simplify right side
    194,280.85x = 29,022,921,497.94
  5. Step 5: Solve for x
    x = 29,022,921,497.94/194,280.85
  6. Step 6: Final answer
    x = 149,386.42

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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.