Home / 195,003.70-292,505.55-135,906.10

Finding the Fourth Proportional to 195,003.70, 292,505.55 and 135,906.10

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Solution

The fourth proportional to 195,003.70, 292,505.55 and 135,906.10 is: 203,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,003.70 : 292,505.55 = 135,906.10 : x
  2. Step 2: Convert to fraction form
    195,003.70/292,505.55 = 135,906.10/x
  3. Step 3: Cross multiply
    195,003.70x = 292,505.55 × 135,906.10
  4. Step 4: Simplify right side
    195,003.70x = 39,753,288,528.86
  5. Step 5: Solve for x
    x = 39,753,288,528.86/195,003.70
  6. Step 6: Final answer
    x = 203,859.15

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1.5x scale

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.