Home / 131,559.65-197,371.89-38,074.85

Finding the Fourth Proportional to 131,559.65, 197,371.89 and 38,074.85

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Solution

The fourth proportional to 131,559.65, 197,371.89 and 38,074.85 is: 57,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.65 : 197,371.89 = 38,074.85 : x
  2. Step 2: Convert to fraction form
    131,559.65/197,371.89 = 38,074.85/x
  3. Step 3: Cross multiply
    131,559.65x = 197,371.89 × 38,074.85
  4. Step 4: Simplify right side
    131,559.65x = 7,514,905,105.97
  5. Step 5: Solve for x
    x = 7,514,905,105.97/131,559.65
  6. Step 6: Final answer
    x = 57,121.66

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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.