Home / 187,525.41-258,787.49-102,640.65

Finding the Fourth Proportional to 187,525.41, 258,787.49 and 102,640.65

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Solution

The fourth proportional to 187,525.41, 258,787.49 and 102,640.65 is: 141,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,525.41 : 258,787.49 = 102,640.65 : x
  2. Step 2: Convert to fraction form
    187,525.41/258,787.49 = 102,640.65/x
  3. Step 3: Cross multiply
    187,525.41x = 258,787.49 × 102,640.65
  4. Step 4: Simplify right side
    187,525.41x = 26,562,116,185.47
  5. Step 5: Solve for x
    x = 26,562,116,185.47/187,525.41
  6. Step 6: Final answer
    x = 141,645.42

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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.