Home / 202,365.20-303,632.85-108,761.60

Finding the Fourth Proportional to 202,365.20, 303,632.85 and 108,761.60

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Solution

The fourth proportional to 202,365.20, 303,632.85 and 108,761.60 is: 163,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,365.20 : 303,632.85 = 108,761.60 : x
  2. Step 2: Convert to fraction form
    202,365.20/303,632.85 = 108,761.60/x
  3. Step 3: Cross multiply
    202,365.20x = 303,632.85 × 108,761.60
  4. Step 4: Simplify right side
    202,365.20x = 33,023,594,578.56
  5. Step 5: Solve for x
    x = 33,023,594,578.56/202,365.20
  6. Step 6: Final answer
    x = 163,188.11

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1.5x scale

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.