Home / 198,028.38-296,612.33-121,894.86

Finding the Fourth Proportional to 198,028.38, 296,612.33 and 121,894.86

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Solution

The fourth proportional to 198,028.38, 296,612.33 and 121,894.86 is: 182,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,028.38 : 296,612.33 = 121,894.86 : x
  2. Step 2: Convert to fraction form
    198,028.38/296,612.33 = 121,894.86/x
  3. Step 3: Cross multiply
    198,028.38x = 296,612.33 × 121,894.86
  4. Step 4: Simplify right side
    198,028.38x = 36,155,517,830.15
  5. Step 5: Solve for x
    x = 36,155,517,830.15/198,028.38
  6. Step 6: Final answer
    x = 182,577.46

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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.