Home / 187,524.76-258,786.58-102,640

Finding the Fourth Proportional to 187,524.76, 258,786.58 and 102,640

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Solution

The fourth proportional to 187,524.76, 258,786.58 and 102,640 is: 141,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,524.76 : 258,786.58 = 102,640 : x
  2. Step 2: Convert to fraction form
    187,524.76/258,786.58 = 102,640/x
  3. Step 3: Cross multiply
    187,524.76x = 258,786.58 × 102,640
  4. Step 4: Simplify right side
    187,524.76x = 26,561,854,571.20
  5. Step 5: Solve for x
    x = 26,561,854,571.20/187,524.76
  6. Step 6: Final answer
    x = 141,644.52

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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.