Home / 197,469.72-272,224.80-140,782.68

Finding the Fourth Proportional to 197,469.72, 272,224.80 and 140,782.68

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Solution

The fourth proportional to 197,469.72, 272,224.80 and 140,782.68 is: 194,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,469.72 : 272,224.80 = 140,782.68 : x
  2. Step 2: Convert to fraction form
    197,469.72/272,224.80 = 140,782.68/x
  3. Step 3: Cross multiply
    197,469.72x = 272,224.80 × 140,782.68
  4. Step 4: Simplify right side
    197,469.72x = 38,324,536,906.46
  5. Step 5: Solve for x
    x = 38,324,536,906.46/197,469.72
  6. Step 6: Final answer
    x = 194,078.04

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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.