Home / 268,190.83-402,286.25-68,511.66

Finding the Fourth Proportional to 268,190.83, 402,286.25 and 68,511.66

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Solution

The fourth proportional to 268,190.83, 402,286.25 and 68,511.66 is: 102,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,190.83 : 402,286.25 = 68,511.66 : x
  2. Step 2: Convert to fraction form
    268,190.83/402,286.25 = 68,511.66/x
  3. Step 3: Cross multiply
    268,190.83x = 402,286.25 × 68,511.66
  4. Step 4: Simplify right side
    268,190.83x = 27,561,296,428.69
  5. Step 5: Solve for x
    x = 27,561,296,428.69/268,190.83
  6. Step 6: Final answer
    x = 102,767.48

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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.