Home / 217,843.15-326,764.98-68,084.23

Finding the Fourth Proportional to 217,843.15, 326,764.98 and 68,084.23

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Solution

The fourth proportional to 217,843.15, 326,764.98 and 68,084.23 is: 102,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,843.15 : 326,764.98 = 68,084.23 : x
  2. Step 2: Convert to fraction form
    217,843.15/326,764.98 = 68,084.23/x
  3. Step 3: Cross multiply
    217,843.15x = 326,764.98 × 68,084.23
  4. Step 4: Simplify right side
    217,843.15x = 22,247,541,122.50
  5. Step 5: Solve for x
    x = 22,247,541,122.50/217,843.15
  6. Step 6: Final answer
    x = 102,126.42

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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.