Home / 131,836.38-197,752.48-31,997.40

Finding the Fourth Proportional to 131,836.38, 197,752.48 and 31,997.40

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Solution

The fourth proportional to 131,836.38, 197,752.48 and 31,997.40 is: 47,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.38 : 197,752.48 = 31,997.40 : x
  2. Step 2: Convert to fraction form
    131,836.38/197,752.48 = 31,997.40/x
  3. Step 3: Cross multiply
    131,836.38x = 197,752.48 × 31,997.40
  4. Step 4: Simplify right side
    131,836.38x = 6,327,565,203.55
  5. Step 5: Solve for x
    x = 6,327,565,203.55/131,836.38
  6. Step 6: Final answer
    x = 47,995.59

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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.