Home / 72,231.20-108,273.90-32,816.60

Finding the Fourth Proportional to 72,231.20, 108,273.90 and 32,816.60

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Solution

The fourth proportional to 72,231.20, 108,273.90 and 32,816.60 is: 49,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,231.20 : 108,273.90 = 32,816.60 : x
  2. Step 2: Convert to fraction form
    72,231.20/108,273.90 = 32,816.60/x
  3. Step 3: Cross multiply
    72,231.20x = 108,273.90 × 32,816.60
  4. Step 4: Simplify right side
    72,231.20x = 3,553,181,266.74
  5. Step 5: Solve for x
    x = 3,553,181,266.74/72,231.20
  6. Step 6: Final answer
    x = 49,191.78

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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.