Home / 172,536.75-258,846.66-54,208.05

Finding the Fourth Proportional to 172,536.75, 258,846.66 and 54,208.05

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Solution

The fourth proportional to 172,536.75, 258,846.66 and 54,208.05 is: 81,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,536.75 : 258,846.66 = 54,208.05 : x
  2. Step 2: Convert to fraction form
    172,536.75/258,846.66 = 54,208.05/x
  3. Step 3: Cross multiply
    172,536.75x = 258,846.66 × 54,208.05
  4. Step 4: Simplify right side
    172,536.75x = 14,031,571,716.94
  5. Step 5: Solve for x
    x = 14,031,571,716.94/172,536.75
  6. Step 6: Final answer
    x = 81,325.12

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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.