Home / 299,084.05-412,734.72-163,115.56

Finding the Fourth Proportional to 299,084.05, 412,734.72 and 163,115.56

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Solution

The fourth proportional to 299,084.05, 412,734.72 and 163,115.56 is: 225,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,084.05 : 412,734.72 = 163,115.56 : x
  2. Step 2: Convert to fraction form
    299,084.05/412,734.72 = 163,115.56/x
  3. Step 3: Cross multiply
    299,084.05x = 412,734.72 × 163,115.56
  4. Step 4: Simplify right side
    299,084.05x = 67,323,454,984.24
  5. Step 5: Solve for x
    x = 67,323,454,984.24/299,084.05
  6. Step 6: Final answer
    x = 225,098.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.