Home / 299,125.10-412,793.93-163,161.97

Finding the Fourth Proportional to 299,125.10, 412,793.93 and 163,161.97

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Solution

The fourth proportional to 299,125.10, 412,793.93 and 163,161.97 is: 225,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,125.10 : 412,793.93 = 163,161.97 : x
  2. Step 2: Convert to fraction form
    299,125.10/412,793.93 = 163,161.97/x
  3. Step 3: Cross multiply
    299,125.10x = 412,793.93 × 163,161.97
  4. Step 4: Simplify right side
    299,125.10x = 67,352,270,822.84
  5. Step 5: Solve for x
    x = 67,352,270,822.84/299,125.10
  6. Step 6: Final answer
    x = 225,164.22

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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.