Home / 199,986.73-300,063.48-87,747.61

Finding the Fourth Proportional to 199,986.73, 300,063.48 and 87,747.61

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Solution

The fourth proportional to 199,986.73, 300,063.48 and 87,747.61 is: 131,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,986.73 : 300,063.48 = 87,747.61 : x
  2. Step 2: Convert to fraction form
    199,986.73/300,063.48 = 87,747.61/x
  3. Step 3: Cross multiply
    199,986.73x = 300,063.48 × 87,747.61
  4. Step 4: Simplify right side
    199,986.73x = 26,329,853,218.28
  5. Step 5: Solve for x
    x = 26,329,853,218.28/199,986.73
  6. Step 6: Final answer
    x = 131,658.00

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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.