Home / 198,154.84-296,724.80-109,309.60

Finding the Fourth Proportional to 198,154.84, 296,724.80 and 109,309.60

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Solution

The fourth proportional to 198,154.84, 296,724.80 and 109,309.60 is: 163,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,154.84 : 296,724.80 = 109,309.60 : x
  2. Step 2: Convert to fraction form
    198,154.84/296,724.80 = 109,309.60/x
  3. Step 3: Cross multiply
    198,154.84x = 296,724.80 × 109,309.60
  4. Step 4: Simplify right side
    198,154.84x = 32,434,869,198.08
  5. Step 5: Solve for x
    x = 32,434,869,198.08/198,154.84
  6. Step 6: Final answer
    x = 163,684.47

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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.