Home / 131,738.70-197,540.82-42,935.16

Finding the Fourth Proportional to 131,738.70, 197,540.82 and 42,935.16

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Solution

The fourth proportional to 131,738.70, 197,540.82 and 42,935.16 is: 64,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.70 : 197,540.82 = 42,935.16 : x
  2. Step 2: Convert to fraction form
    131,738.70/197,540.82 = 42,935.16/x
  3. Step 3: Cross multiply
    131,738.70x = 197,540.82 × 42,935.16
  4. Step 4: Simplify right side
    131,738.70x = 8,481,446,713.23
  5. Step 5: Solve for x
    x = 8,481,446,713.23/131,738.70
  6. Step 6: Final answer
    x = 64,380.83

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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.