Home / 208,625.21-313,066.30-82,243.94

Finding the Fourth Proportional to 208,625.21, 313,066.30 and 82,243.94

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Solution

The fourth proportional to 208,625.21, 313,066.30 and 82,243.94 is: 123,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,625.21 : 313,066.30 = 82,243.94 : x
  2. Step 2: Convert to fraction form
    208,625.21/313,066.30 = 82,243.94/x
  3. Step 3: Cross multiply
    208,625.21x = 313,066.30 × 82,243.94
  4. Step 4: Simplify right side
    208,625.21x = 25,747,806,961.61
  5. Step 5: Solve for x
    x = 25,747,806,961.61/208,625.21
  6. Step 6: Final answer
    x = 123,416.57

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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.