Home / 131,940.66-197,837.28-43,170.33

Finding the Fourth Proportional to 131,940.66, 197,837.28 and 43,170.33

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Solution

The fourth proportional to 131,940.66, 197,837.28 and 43,170.33 is: 64,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,940.66 : 197,837.28 = 43,170.33 : x
  2. Step 2: Convert to fraction form
    131,940.66/197,837.28 = 43,170.33/x
  3. Step 3: Cross multiply
    131,940.66x = 197,837.28 × 43,170.33
  4. Step 4: Simplify right side
    131,940.66x = 8,540,700,663.90
  5. Step 5: Solve for x
    x = 8,540,700,663.90/131,940.66
  6. Step 6: Final answer
    x = 64,731.38

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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.