Home / 172,810.43-259,191.03-54,466.39

Finding the Fourth Proportional to 172,810.43, 259,191.03 and 54,466.39

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Solution

The fourth proportional to 172,810.43, 259,191.03 and 54,466.39 is: 81,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,810.43 : 259,191.03 = 54,466.39 : x
  2. Step 2: Convert to fraction form
    172,810.43/259,191.03 = 54,466.39/x
  3. Step 3: Cross multiply
    172,810.43x = 259,191.03 × 54,466.39
  4. Step 4: Simplify right side
    172,810.43x = 14,117,198,428.53
  5. Step 5: Solve for x
    x = 14,117,198,428.53/172,810.43
  6. Step 6: Final answer
    x = 81,691.82

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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.