Home / 131,836.98-197,753.82-31,998

Finding the Fourth Proportional to 131,836.98, 197,753.82 and 31,998

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Solution

The fourth proportional to 131,836.98, 197,753.82 and 31,998 is: 47,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.98 : 197,753.82 = 31,998 : x
  2. Step 2: Convert to fraction form
    131,836.98/197,753.82 = 31,998/x
  3. Step 3: Cross multiply
    131,836.98x = 197,753.82 × 31,998
  4. Step 4: Simplify right side
    131,836.98x = 6,327,726,732.36
  5. Step 5: Solve for x
    x = 6,327,726,732.36/131,836.98
  6. Step 6: Final answer
    x = 47,996.60

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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.