Home / 212,324.26-292,912.25-143,391.34

Finding the Fourth Proportional to 212,324.26, 292,912.25 and 143,391.34

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Solution

The fourth proportional to 212,324.26, 292,912.25 and 143,391.34 is: 197,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324.26 : 292,912.25 = 143,391.34 : x
  2. Step 2: Convert to fraction form
    212,324.26/292,912.25 = 143,391.34/x
  3. Step 3: Cross multiply
    212,324.26x = 292,912.25 × 143,391.34
  4. Step 4: Simplify right side
    212,324.26x = 42,001,079,661.86
  5. Step 5: Solve for x
    x = 42,001,079,661.86/212,324.26
  6. Step 6: Final answer
    x = 197,815.73

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1.5x scale

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.