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Finding the Fourth Proportional to 73,489.59, 110,222.58 and 20,169.12

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Solution

The fourth proportional to 73,489.59, 110,222.58 and 20,169.12 is: 30,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,489.59 : 110,222.58 = 20,169.12 : x
  2. Step 2: Convert to fraction form
    73,489.59/110,222.58 = 20,169.12/x
  3. Step 3: Cross multiply
    73,489.59x = 110,222.58 × 20,169.12
  4. Step 4: Simplify right side
    73,489.59x = 2,223,092,442.73
  5. Step 5: Solve for x
    x = 2,223,092,442.73/73,489.59
  6. Step 6: Final answer
    x = 30,250.44

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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.