Home / 188,166.41-259,667.44-102,125.54

Finding the Fourth Proportional to 188,166.41, 259,667.44 and 102,125.54

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Solution

The fourth proportional to 188,166.41, 259,667.44 and 102,125.54 is: 140,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,166.41 : 259,667.44 = 102,125.54 : x
  2. Step 2: Convert to fraction form
    188,166.41/259,667.44 = 102,125.54/x
  3. Step 3: Cross multiply
    188,166.41x = 259,667.44 × 102,125.54
  4. Step 4: Simplify right side
    188,166.41x = 26,518,675,721.45
  5. Step 5: Solve for x
    x = 26,518,675,721.45/188,166.41
  6. Step 6: Final answer
    x = 140,932.04

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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.