Home / 187,787.09-259,137.73-102,902.33

Finding the Fourth Proportional to 187,787.09, 259,137.73 and 102,902.33

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Solution

The fourth proportional to 187,787.09, 259,137.73 and 102,902.33 is: 142,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,787.09 : 259,137.73 = 102,902.33 : x
  2. Step 2: Convert to fraction form
    187,787.09/259,137.73 = 102,902.33/x
  3. Step 3: Cross multiply
    187,787.09x = 259,137.73 × 102,902.33
  4. Step 4: Simplify right side
    187,787.09x = 26,665,876,984.38
  5. Step 5: Solve for x
    x = 26,665,876,984.38/187,787.09
  6. Step 6: Final answer
    x = 142,000.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.