Home / 187,830.21-259,206.44-101,789.38

Finding the Fourth Proportional to 187,830.21, 259,206.44 and 101,789.38

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Solution

The fourth proportional to 187,830.21, 259,206.44 and 101,789.38 is: 140,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830.21 : 259,206.44 = 101,789.38 : x
  2. Step 2: Convert to fraction form
    187,830.21/259,206.44 = 101,789.38/x
  3. Step 3: Cross multiply
    187,830.21x = 259,206.44 × 101,789.38
  4. Step 4: Simplify right side
    187,830.21x = 26,384,462,819.61
  5. Step 5: Solve for x
    x = 26,384,462,819.61/187,830.21
  6. Step 6: Final answer
    x = 140,469.75

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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.