Home / 172,997.85-259,495.20-54,669.18

Finding the Fourth Proportional to 172,997.85, 259,495.20 and 54,669.18

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Solution

The fourth proportional to 172,997.85, 259,495.20 and 54,669.18 is: 82,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.85 : 259,495.20 = 54,669.18 : x
  2. Step 2: Convert to fraction form
    172,997.85/259,495.20 = 54,669.18/x
  3. Step 3: Cross multiply
    172,997.85x = 259,495.20 × 54,669.18
  4. Step 4: Simplify right side
    172,997.85x = 14,186,389,797.94
  5. Step 5: Solve for x
    x = 14,186,389,797.94/172,997.85
  6. Step 6: Final answer
    x = 82,003.27

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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.