Home / 187,705.72-259,033.94-102,825.80

Finding the Fourth Proportional to 187,705.72, 259,033.94 and 102,825.80

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Solution

The fourth proportional to 187,705.72, 259,033.94 and 102,825.80 is: 141,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,705.72 : 259,033.94 = 102,825.80 : x
  2. Step 2: Convert to fraction form
    187,705.72/259,033.94 = 102,825.80/x
  3. Step 3: Cross multiply
    187,705.72x = 259,033.94 × 102,825.80
  4. Step 4: Simplify right side
    187,705.72x = 26,635,372,107.65
  5. Step 5: Solve for x
    x = 26,635,372,107.65/187,705.72
  6. Step 6: Final answer
    x = 141,899.63

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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.