Home / 172,881.45-259,144.29-66,236.43

Finding the Fourth Proportional to 172,881.45, 259,144.29 and 66,236.43

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Solution

The fourth proportional to 172,881.45, 259,144.29 and 66,236.43 is: 99,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,881.45 : 259,144.29 = 66,236.43 : x
  2. Step 2: Convert to fraction form
    172,881.45/259,144.29 = 66,236.43/x
  3. Step 3: Cross multiply
    172,881.45x = 259,144.29 × 66,236.43
  4. Step 4: Simplify right side
    172,881.45x = 17,164,792,624.48
  5. Step 5: Solve for x
    x = 17,164,792,624.48/172,881.45
  6. Step 6: Final answer
    x = 99,286.49

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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.