Home / 172,986.41-259,514.64-73,146.44

Finding the Fourth Proportional to 172,986.41, 259,514.64 and 73,146.44

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Solution

The fourth proportional to 172,986.41, 259,514.64 and 73,146.44 is: 109,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,986.41 : 259,514.64 = 73,146.44 : x
  2. Step 2: Convert to fraction form
    172,986.41/259,514.64 = 73,146.44/x
  3. Step 3: Cross multiply
    172,986.41x = 259,514.64 × 73,146.44
  4. Step 4: Simplify right side
    172,986.41x = 18,982,572,692.67
  5. Step 5: Solve for x
    x = 18,982,572,692.67/172,986.41
  6. Step 6: Final answer
    x = 109,734.47

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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.