Home / 139,370.58-192,324.22-75,708.22

Finding the Fourth Proportional to 139,370.58, 192,324.22 and 75,708.22

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Solution

The fourth proportional to 139,370.58, 192,324.22 and 75,708.22 is: 104,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,370.58 : 192,324.22 = 75,708.22 : x
  2. Step 2: Convert to fraction form
    139,370.58/192,324.22 = 75,708.22/x
  3. Step 3: Cross multiply
    139,370.58x = 192,324.22 × 75,708.22
  4. Step 4: Simplify right side
    139,370.58x = 14,560,524,359.09
  5. Step 5: Solve for x
    x = 14,560,524,359.09/139,370.58
  6. Step 6: Final answer
    x = 104,473.44

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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.