Home / 197,730.91-296,610.21-79,402.25

Finding the Fourth Proportional to 197,730.91, 296,610.21 and 79,402.25

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Solution

The fourth proportional to 197,730.91, 296,610.21 and 79,402.25 is: 119,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,730.91 : 296,610.21 = 79,402.25 : x
  2. Step 2: Convert to fraction form
    197,730.91/296,610.21 = 79,402.25/x
  3. Step 3: Cross multiply
    197,730.91x = 296,610.21 × 79,402.25
  4. Step 4: Simplify right side
    197,730.91x = 23,551,518,046.97
  5. Step 5: Solve for x
    x = 23,551,518,046.97/197,730.91
  6. Step 6: Final answer
    x = 119,108.93

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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.