Home / 139,255.30-192,171.77-75,592.54

Finding the Fourth Proportional to 139,255.30, 192,171.77 and 75,592.54

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Solution

The fourth proportional to 139,255.30, 192,171.77 and 75,592.54 is: 104,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,255.30 : 192,171.77 = 75,592.54 : x
  2. Step 2: Convert to fraction form
    139,255.30/192,171.77 = 75,592.54/x
  3. Step 3: Cross multiply
    139,255.30x = 192,171.77 × 75,592.54
  4. Step 4: Simplify right side
    139,255.30x = 14,526,751,249.74
  5. Step 5: Solve for x
    x = 14,526,751,249.74/139,255.30
  6. Step 6: Final answer
    x = 104,317.41

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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.