Home / 139,371.48-192,391.52-94,110.76

Finding the Fourth Proportional to 139,371.48, 192,391.52 and 94,110.76

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Solution

The fourth proportional to 139,371.48, 192,391.52 and 94,110.76 is: 129,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,371.48 : 192,391.52 = 94,110.76 : x
  2. Step 2: Convert to fraction form
    139,371.48/192,391.52 = 94,110.76/x
  3. Step 3: Cross multiply
    139,371.48x = 192,391.52 × 94,110.76
  4. Step 4: Simplify right side
    139,371.48x = 18,106,112,164.76
  5. Step 5: Solve for x
    x = 18,106,112,164.76/139,371.48
  6. Step 6: Final answer
    x = 129,912.61

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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.