Home / 231,183.92-346,149.72-120,142.64

Finding the Fourth Proportional to 231,183.92, 346,149.72 and 120,142.64

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Solution

The fourth proportional to 231,183.92, 346,149.72 and 120,142.64 is: 179,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,183.92 : 346,149.72 = 120,142.64 : x
  2. Step 2: Convert to fraction form
    231,183.92/346,149.72 = 120,142.64/x
  3. Step 3: Cross multiply
    231,183.92x = 346,149.72 × 120,142.64
  4. Step 4: Simplify right side
    231,183.92x = 41,587,341,196.06
  5. Step 5: Solve for x
    x = 41,587,341,196.06/231,183.92
  6. Step 6: Final answer
    x = 179,888.55

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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.