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Finding the Fourth Proportional to 187,745.44, 259,078.80 and 107,169.76

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Solution

The fourth proportional to 187,745.44, 259,078.80 and 107,169.76 is: 147,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,745.44 : 259,078.80 = 107,169.76 : x
  2. Step 2: Convert to fraction form
    187,745.44/259,078.80 = 107,169.76/x
  3. Step 3: Cross multiply
    187,745.44x = 259,078.80 × 107,169.76
  4. Step 4: Simplify right side
    187,745.44x = 27,765,412,817.09
  5. Step 5: Solve for x
    x = 27,765,412,817.09/187,745.44
  6. Step 6: Final answer
    x = 147,888.61

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1.5x scale

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.