Home / 198,435.78-296,967.19-122,503.14

Finding the Fourth Proportional to 198,435.78, 296,967.19 and 122,503.14

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Solution

The fourth proportional to 198,435.78, 296,967.19 and 122,503.14 is: 183,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,435.78 : 296,967.19 = 122,503.14 : x
  2. Step 2: Convert to fraction form
    198,435.78/296,967.19 = 122,503.14/x
  3. Step 3: Cross multiply
    198,435.78x = 296,967.19 × 122,503.14
  4. Step 4: Simplify right side
    198,435.78x = 36,379,413,251.98
  5. Step 5: Solve for x
    x = 36,379,413,251.98/198,435.78
  6. Step 6: Final answer
    x = 183,330.92

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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.