Home / 198,141.03-296,982.66-91,301.61

Finding the Fourth Proportional to 198,141.03, 296,982.66 and 91,301.61

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Solution

The fourth proportional to 198,141.03, 296,982.66 and 91,301.61 is: 136,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,141.03 : 296,982.66 = 91,301.61 : x
  2. Step 2: Convert to fraction form
    198,141.03/296,982.66 = 91,301.61/x
  3. Step 3: Cross multiply
    198,141.03x = 296,982.66 × 91,301.61
  4. Step 4: Simplify right side
    198,141.03x = 27,114,995,000.08
  5. Step 5: Solve for x
    x = 27,114,995,000.08/198,141.03
  6. Step 6: Final answer
    x = 136,846.95

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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.