Home / 131,456.88-197,211.85-41,513.65

Finding the Fourth Proportional to 131,456.88, 197,211.85 and 41,513.65

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Solution

The fourth proportional to 131,456.88, 197,211.85 and 41,513.65 is: 62,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456.88 : 197,211.85 = 41,513.65 : x
  2. Step 2: Convert to fraction form
    131,456.88/197,211.85 = 41,513.65/x
  3. Step 3: Cross multiply
    131,456.88x = 197,211.85 × 41,513.65
  4. Step 4: Simplify right side
    131,456.88x = 8,186,983,119.94
  5. Step 5: Solve for x
    x = 8,186,983,119.94/131,456.88
  6. Step 6: Final answer
    x = 62,278.85

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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.