Home / 131,519.79-197,231.13-47,257.29

Finding the Fourth Proportional to 131,519.79, 197,231.13 and 47,257.29

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Solution

The fourth proportional to 131,519.79, 197,231.13 and 47,257.29 is: 70,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.79 : 197,231.13 = 47,257.29 : x
  2. Step 2: Convert to fraction form
    131,519.79/197,231.13 = 47,257.29/x
  3. Step 3: Cross multiply
    131,519.79x = 197,231.13 × 47,257.29
  4. Step 4: Simplify right side
    131,519.79x = 9,320,608,707.44
  5. Step 5: Solve for x
    x = 9,320,608,707.44/131,519.79
  6. Step 6: Final answer
    x = 70,868.49

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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.