Home / 172,881.09-259,321.68-54,564.39

Finding the Fourth Proportional to 172,881.09, 259,321.68 and 54,564.39

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Solution

The fourth proportional to 172,881.09, 259,321.68 and 54,564.39 is: 81,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,881.09 : 259,321.68 = 54,564.39 : x
  2. Step 2: Convert to fraction form
    172,881.09/259,321.68 = 54,564.39/x
  3. Step 3: Cross multiply
    172,881.09x = 259,321.68 × 54,564.39
  4. Step 4: Simplify right side
    172,881.09x = 14,149,729,282.98
  5. Step 5: Solve for x
    x = 14,149,729,282.98/172,881.09
  6. Step 6: Final answer
    x = 81,846.60

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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.