Home / 208,982.50-313,166.47-123,505.38

Finding the Fourth Proportional to 208,982.50, 313,166.47 and 123,505.38

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Solution

The fourth proportional to 208,982.50, 313,166.47 and 123,505.38 is: 185,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.50 : 313,166.47 = 123,505.38 : x
  2. Step 2: Convert to fraction form
    208,982.50/313,166.47 = 123,505.38/x
  3. Step 3: Cross multiply
    208,982.50x = 313,166.47 × 123,505.38
  4. Step 4: Simplify right side
    208,982.50x = 38,677,743,880.61
  5. Step 5: Solve for x
    x = 38,677,743,880.61/208,982.50
  6. Step 6: Final answer
    x = 185,076.47

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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.