Home / 187,971.57-259,414.49-107,397.36

Finding the Fourth Proportional to 187,971.57, 259,414.49 and 107,397.36

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Solution

The fourth proportional to 187,971.57, 259,414.49 and 107,397.36 is: 148,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971.57 : 259,414.49 = 107,397.36 : x
  2. Step 2: Convert to fraction form
    187,971.57/259,414.49 = 107,397.36/x
  3. Step 3: Cross multiply
    187,971.57x = 259,414.49 × 107,397.36
  4. Step 4: Simplify right side
    187,971.57x = 27,860,431,640.24
  5. Step 5: Solve for x
    x = 27,860,431,640.24/187,971.57
  6. Step 6: Final answer
    x = 148,216.20

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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.