Home / 68,169.57-102,219.74-51,146.85

Finding the Fourth Proportional to 68,169.57, 102,219.74 and 51,146.85

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Solution

The fourth proportional to 68,169.57, 102,219.74 and 51,146.85 is: 76,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,169.57 : 102,219.74 = 51,146.85 : x
  2. Step 2: Convert to fraction form
    68,169.57/102,219.74 = 51,146.85/x
  3. Step 3: Cross multiply
    68,169.57x = 102,219.74 × 51,146.85
  4. Step 4: Simplify right side
    68,169.57x = 5,228,217,708.82
  5. Step 5: Solve for x
    x = 5,228,217,708.82/68,169.57
  6. Step 6: Final answer
    x = 76,694.30

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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.