Home / 137,780.24-206,672.76-37,939.92

Finding the Fourth Proportional to 137,780.24, 206,672.76 and 37,939.92

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Solution

The fourth proportional to 137,780.24, 206,672.76 and 37,939.92 is: 56,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,780.24 : 206,672.76 = 37,939.92 : x
  2. Step 2: Convert to fraction form
    137,780.24/206,672.76 = 37,939.92/x
  3. Step 3: Cross multiply
    137,780.24x = 206,672.76 × 37,939.92
  4. Step 4: Simplify right side
    137,780.24x = 7,841,147,980.58
  5. Step 5: Solve for x
    x = 7,841,147,980.58/137,780.24
  6. Step 6: Final answer
    x = 56,910.54

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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.