Home / 172,173.06-258,249.87-53,830.44

Finding the Fourth Proportional to 172,173.06, 258,249.87 and 53,830.44

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Solution

The fourth proportional to 172,173.06, 258,249.87 and 53,830.44 is: 80,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.06 : 258,249.87 = 53,830.44 : x
  2. Step 2: Convert to fraction form
    172,173.06/258,249.87 = 53,830.44/x
  3. Step 3: Cross multiply
    172,173.06x = 258,249.87 × 53,830.44
  4. Step 4: Simplify right side
    172,173.06x = 13,901,704,132.04
  5. Step 5: Solve for x
    x = 13,901,704,132.04/172,173.06
  6. Step 6: Final answer
    x = 80,742.62

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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.