Home / 217,747.44-326,621.03-68,000.55

Finding the Fourth Proportional to 217,747.44, 326,621.03 and 68,000.55

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Solution

The fourth proportional to 217,747.44, 326,621.03 and 68,000.55 is: 102,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747.44 : 326,621.03 = 68,000.55 : x
  2. Step 2: Convert to fraction form
    217,747.44/326,621.03 = 68,000.55/x
  3. Step 3: Cross multiply
    217,747.44x = 326,621.03 × 68,000.55
  4. Step 4: Simplify right side
    217,747.44x = 22,210,409,341.56
  5. Step 5: Solve for x
    x = 22,210,409,341.56/217,747.44
  6. Step 6: Final answer
    x = 102,000.78

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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.