Home / 115,383.45-173,087.33-47,907.82

Finding the Fourth Proportional to 115,383.45, 173,087.33 and 47,907.82

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Solution

The fourth proportional to 115,383.45, 173,087.33 and 47,907.82 is: 71,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,383.45 : 173,087.33 = 47,907.82 : x
  2. Step 2: Convert to fraction form
    115,383.45/173,087.33 = 47,907.82/x
  3. Step 3: Cross multiply
    115,383.45x = 173,087.33 × 47,907.82
  4. Step 4: Simplify right side
    115,383.45x = 8,292,236,649.92
  5. Step 5: Solve for x
    x = 8,292,236,649.92/115,383.45
  6. Step 6: Final answer
    x = 71,866.78

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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.