Home / 199,310.16-298,626.96-120,258.36

Finding the Fourth Proportional to 199,310.16, 298,626.96 and 120,258.36

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Solution

The fourth proportional to 199,310.16, 298,626.96 and 120,258.36 is: 180,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,310.16 : 298,626.96 = 120,258.36 : x
  2. Step 2: Convert to fraction form
    199,310.16/298,626.96 = 120,258.36/x
  3. Step 3: Cross multiply
    199,310.16x = 298,626.96 × 120,258.36
  4. Step 4: Simplify right side
    199,310.16x = 35,912,388,461.39
  5. Step 5: Solve for x
    x = 35,912,388,461.39/199,310.16
  6. Step 6: Final answer
    x = 180,183.43

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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.