Home / 187,904.56-259,310.84-103,021.44

Finding the Fourth Proportional to 187,904.56, 259,310.84 and 103,021.44

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Solution

The fourth proportional to 187,904.56, 259,310.84 and 103,021.44 is: 142,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,904.56 : 259,310.84 = 103,021.44 : x
  2. Step 2: Convert to fraction form
    187,904.56/259,310.84 = 103,021.44/x
  3. Step 3: Cross multiply
    187,904.56x = 259,310.84 × 103,021.44
  4. Step 4: Simplify right side
    187,904.56x = 26,714,576,144.41
  5. Step 5: Solve for x
    x = 26,714,576,144.41/187,904.56
  6. Step 6: Final answer
    x = 142,170.98

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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.