Home / 64,910.20-97,358.10-18,167.80

Finding the Fourth Proportional to 64,910.20, 97,358.10 and 18,167.80

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Solution

The fourth proportional to 64,910.20, 97,358.10 and 18,167.80 is: 27,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.20 : 97,358.10 = 18,167.80 : x
  2. Step 2: Convert to fraction form
    64,910.20/97,358.10 = 18,167.80/x
  3. Step 3: Cross multiply
    64,910.20x = 97,358.10 × 18,167.80
  4. Step 4: Simplify right side
    64,910.20x = 1,768,782,489.18
  5. Step 5: Solve for x
    x = 1,768,782,489.18/64,910.20
  6. Step 6: Final answer
    x = 27,249.68

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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.