Home / 172,451.57-258,676.88-54,131.76

Finding the Fourth Proportional to 172,451.57, 258,676.88 and 54,131.76

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Solution

The fourth proportional to 172,451.57, 258,676.88 and 54,131.76 is: 81,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451.57 : 258,676.88 = 54,131.76 : x
  2. Step 2: Convert to fraction form
    172,451.57/258,676.88 = 54,131.76/x
  3. Step 3: Cross multiply
    172,451.57x = 258,676.88 × 54,131.76
  4. Step 4: Simplify right side
    172,451.57x = 14,002,634,515.05
  5. Step 5: Solve for x
    x = 14,002,634,515.05/172,451.57
  6. Step 6: Final answer
    x = 81,197.49

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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.