Home / 73,489.17-110,221.94-20,168.69

Finding the Fourth Proportional to 73,489.17, 110,221.94 and 20,168.69

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Solution

The fourth proportional to 73,489.17, 110,221.94 and 20,168.69 is: 30,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,489.17 : 110,221.94 = 20,168.69 : x
  2. Step 2: Convert to fraction form
    73,489.17/110,221.94 = 20,168.69/x
  3. Step 3: Cross multiply
    73,489.17x = 110,221.94 × 20,168.69
  4. Step 4: Simplify right side
    73,489.17x = 2,223,032,465.04
  5. Step 5: Solve for x
    x = 2,223,032,465.04/73,489.17
  6. Step 6: Final answer
    x = 30,249.80

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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.