Home / 139,453.29-192,444.39-75,791.48

Finding the Fourth Proportional to 139,453.29, 192,444.39 and 75,791.48

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Solution

The fourth proportional to 139,453.29, 192,444.39 and 75,791.48 is: 104,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,453.29 : 192,444.39 = 75,791.48 : x
  2. Step 2: Convert to fraction form
    139,453.29/192,444.39 = 75,791.48/x
  3. Step 3: Cross multiply
    139,453.29x = 192,444.39 × 75,791.48
  4. Step 4: Simplify right side
    139,453.29x = 14,585,644,173.58
  5. Step 5: Solve for x
    x = 14,585,644,173.58/139,453.29
  6. Step 6: Final answer
    x = 104,591.61

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1.5x scale

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.