Home / 173,272.82-259,661.37-78,267.11

Finding the Fourth Proportional to 173,272.82, 259,661.37 and 78,267.11

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Solution

The fourth proportional to 173,272.82, 259,661.37 and 78,267.11 is: 117,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.82 : 259,661.37 = 78,267.11 : x
  2. Step 2: Convert to fraction form
    173,272.82/259,661.37 = 78,267.11/x
  3. Step 3: Cross multiply
    173,272.82x = 259,661.37 × 78,267.11
  4. Step 4: Simplify right side
    173,272.82x = 20,322,945,008.54
  5. Step 5: Solve for x
    x = 20,322,945,008.54/173,272.82
  6. Step 6: Final answer
    x = 117,288.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.