Home / 139,456.04-192,450.84-75,793.85

Finding the Fourth Proportional to 139,456.04, 192,450.84 and 75,793.85

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Solution

The fourth proportional to 139,456.04, 192,450.84 and 75,793.85 is: 104,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,456.04 : 192,450.84 = 75,793.85 : x
  2. Step 2: Convert to fraction form
    139,456.04/192,450.84 = 75,793.85/x
  3. Step 3: Cross multiply
    139,456.04x = 192,450.84 × 75,793.85
  4. Step 4: Simplify right side
    139,456.04x = 14,586,590,099.33
  5. Step 5: Solve for x
    x = 14,586,590,099.33/139,456.04
  6. Step 6: Final answer
    x = 104,596.33

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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.