Home / 231,400.72-346,540.74-160,123.54

Finding the Fourth Proportional to 231,400.72, 346,540.74 and 160,123.54

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Solution

The fourth proportional to 231,400.72, 346,540.74 and 160,123.54 is: 239,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,400.72 : 346,540.74 = 160,123.54 : x
  2. Step 2: Convert to fraction form
    231,400.72/346,540.74 = 160,123.54/x
  3. Step 3: Cross multiply
    231,400.72x = 346,540.74 × 160,123.54
  4. Step 4: Simplify right side
    231,400.72x = 55,489,330,043.02
  5. Step 5: Solve for x
    x = 55,489,330,043.02/231,400.72
  6. Step 6: Final answer
    x = 239,797.57

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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.