Home / 131,617.91-197,447.51-56,759.33

Finding the Fourth Proportional to 131,617.91, 197,447.51 and 56,759.33

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Solution

The fourth proportional to 131,617.91, 197,447.51 and 56,759.33 is: 85,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,617.91 : 197,447.51 = 56,759.33 : x
  2. Step 2: Convert to fraction form
    131,617.91/197,447.51 = 56,759.33/x
  3. Step 3: Cross multiply
    131,617.91x = 197,447.51 × 56,759.33
  4. Step 4: Simplify right side
    131,617.91x = 11,206,988,093.97
  5. Step 5: Solve for x
    x = 11,206,988,093.97/131,617.91
  6. Step 6: Final answer
    x = 85,147.90

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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.