Home / 239,819.54-359,544.42-90,056.61

Finding the Fourth Proportional to 239,819.54, 359,544.42 and 90,056.61

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Solution

The fourth proportional to 239,819.54, 359,544.42 and 90,056.61 is: 135,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.54 : 359,544.42 = 90,056.61 : x
  2. Step 2: Convert to fraction form
    239,819.54/359,544.42 = 90,056.61/x
  3. Step 3: Cross multiply
    239,819.54x = 359,544.42 × 90,056.61
  4. Step 4: Simplify right side
    239,819.54x = 32,379,351,609.62
  5. Step 5: Solve for x
    x = 32,379,351,609.62/239,819.54
  6. Step 6: Final answer
    x = 135,015.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.