Home / 253,546.18-379,766.60-126,965.66

Finding the Fourth Proportional to 253,546.18, 379,766.60 and 126,965.66

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Solution

The fourth proportional to 253,546.18, 379,766.60 and 126,965.66 is: 190,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,546.18 : 379,766.60 = 126,965.66 : x
  2. Step 2: Convert to fraction form
    253,546.18/379,766.60 = 126,965.66/x
  3. Step 3: Cross multiply
    253,546.18x = 379,766.60 × 126,965.66
  4. Step 4: Simplify right side
    253,546.18x = 48,217,317,014.96
  5. Step 5: Solve for x
    x = 48,217,317,014.96/253,546.18
  6. Step 6: Final answer
    x = 190,171.74

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1.5x scale

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.