Home / 254,919.81-351,781.90-140,198.34

Finding the Fourth Proportional to 254,919.81, 351,781.90 and 140,198.34

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Solution

The fourth proportional to 254,919.81, 351,781.90 and 140,198.34 is: 193,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,919.81 : 351,781.90 = 140,198.34 : x
  2. Step 2: Convert to fraction form
    254,919.81/351,781.90 = 140,198.34/x
  3. Step 3: Cross multiply
    254,919.81x = 351,781.90 × 140,198.34
  4. Step 4: Simplify right side
    254,919.81x = 49,319,240,179.35
  5. Step 5: Solve for x
    x = 49,319,240,179.35/254,919.81
  6. Step 6: Final answer
    x = 193,469.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.