Home / 131,939.88-197,934.54-43,198.20

Finding the Fourth Proportional to 131,939.88, 197,934.54 and 43,198.20

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Solution

The fourth proportional to 131,939.88, 197,934.54 and 43,198.20 is: 64,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,939.88 : 197,934.54 = 43,198.20 : x
  2. Step 2: Convert to fraction form
    131,939.88/197,934.54 = 43,198.20/x
  3. Step 3: Cross multiply
    131,939.88x = 197,934.54 × 43,198.20
  4. Step 4: Simplify right side
    131,939.88x = 8,550,415,845.83
  5. Step 5: Solve for x
    x = 8,550,415,845.83/131,939.88
  6. Step 6: Final answer
    x = 64,805.39

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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.