Home / 139,571.86-192,617.04-75,908.38

Finding the Fourth Proportional to 139,571.86, 192,617.04 and 75,908.38

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Solution

The fourth proportional to 139,571.86, 192,617.04 and 75,908.38 is: 104,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,571.86 : 192,617.04 = 75,908.38 : x
  2. Step 2: Convert to fraction form
    139,571.86/192,617.04 = 75,908.38/x
  3. Step 3: Cross multiply
    139,571.86x = 192,617.04 × 75,908.38
  4. Step 4: Simplify right side
    139,571.86x = 14,621,247,466.80
  5. Step 5: Solve for x
    x = 14,621,247,466.80/139,571.86
  6. Step 6: Final answer
    x = 104,757.85

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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.