Home / 212,195.88-292,791.24-126,183.60

Finding the Fourth Proportional to 212,195.88, 292,791.24 and 126,183.60

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Solution

The fourth proportional to 212,195.88, 292,791.24 and 126,183.60 is: 174,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,195.88 : 292,791.24 = 126,183.60 : x
  2. Step 2: Convert to fraction form
    212,195.88/292,791.24 = 126,183.60/x
  3. Step 3: Cross multiply
    212,195.88x = 292,791.24 × 126,183.60
  4. Step 4: Simplify right side
    212,195.88x = 36,945,452,711.66
  5. Step 5: Solve for x
    x = 36,945,452,711.66/212,195.88
  6. Step 6: Final answer
    x = 174,110.13

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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.