Home / 163,375.20-244,965.60-84,643.20

Finding the Fourth Proportional to 163,375.20, 244,965.60 and 84,643.20

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Solution

The fourth proportional to 163,375.20, 244,965.60 and 84,643.20 is: 126,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,375.20 : 244,965.60 = 84,643.20 : x
  2. Step 2: Convert to fraction form
    163,375.20/244,965.60 = 84,643.20/x
  3. Step 3: Cross multiply
    163,375.20x = 244,965.60 × 84,643.20
  4. Step 4: Simplify right side
    163,375.20x = 20,734,672,273.92
  5. Step 5: Solve for x
    x = 20,734,672,273.92/163,375.20
  6. Step 6: Final answer
    x = 126,914.44

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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.