Home / 199,439.56-298,629.42-120,446.92

Finding the Fourth Proportional to 199,439.56, 298,629.42 and 120,446.92

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Solution

The fourth proportional to 199,439.56, 298,629.42 and 120,446.92 is: 180,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,439.56 : 298,629.42 = 120,446.92 : x
  2. Step 2: Convert to fraction form
    199,439.56/298,629.42 = 120,446.92/x
  3. Step 3: Cross multiply
    199,439.56x = 298,629.42 × 120,446.92
  4. Step 4: Simplify right side
    199,439.56x = 35,968,993,860.39
  5. Step 5: Solve for x
    x = 35,968,993,860.39/199,439.56
  6. Step 6: Final answer
    x = 180,350.35

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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.