Home / 198,112.80-296,644.32-119,118.36

Finding the Fourth Proportional to 198,112.80, 296,644.32 and 119,118.36

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Solution

The fourth proportional to 198,112.80, 296,644.32 and 119,118.36 is: 178,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,112.80 : 296,644.32 = 119,118.36 : x
  2. Step 2: Convert to fraction form
    198,112.80/296,644.32 = 119,118.36/x
  3. Step 3: Cross multiply
    198,112.80x = 296,644.32 × 119,118.36
  4. Step 4: Simplify right side
    198,112.80x = 35,335,784,901.72
  5. Step 5: Solve for x
    x = 35,335,784,901.72/198,112.80
  6. Step 6: Final answer
    x = 178,361.95

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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.