Home / 138,626.05-207,794.35-100,583.41

Finding the Fourth Proportional to 138,626.05, 207,794.35 and 100,583.41

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Solution

The fourth proportional to 138,626.05, 207,794.35 and 100,583.41 is: 150,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,626.05 : 207,794.35 = 100,583.41 : x
  2. Step 2: Convert to fraction form
    138,626.05/207,794.35 = 100,583.41/x
  3. Step 3: Cross multiply
    138,626.05x = 207,794.35 × 100,583.41
  4. Step 4: Simplify right side
    138,626.05x = 20,900,664,301.73
  5. Step 5: Solve for x
    x = 20,900,664,301.73/138,626.05
  6. Step 6: Final answer
    x = 150,770.11

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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.