Home / 139,163.92-192,045.38-75,500.34

Finding the Fourth Proportional to 139,163.92, 192,045.38 and 75,500.34

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Solution

The fourth proportional to 139,163.92, 192,045.38 and 75,500.34 is: 104,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,163.92 : 192,045.38 = 75,500.34 : x
  2. Step 2: Convert to fraction form
    139,163.92/192,045.38 = 75,500.34/x
  3. Step 3: Cross multiply
    139,163.92x = 192,045.38 × 75,500.34
  4. Step 4: Simplify right side
    139,163.92x = 14,499,491,485.43
  5. Step 5: Solve for x
    x = 14,499,491,485.43/139,163.92
  6. Step 6: Final answer
    x = 104,190.02

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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.