Home / 154,584.20-231,530.70-119,409.80

Finding the Fourth Proportional to 154,584.20, 231,530.70 and 119,409.80

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Solution

The fourth proportional to 154,584.20, 231,530.70 and 119,409.80 is: 178,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,584.20 : 231,530.70 = 119,409.80 : x
  2. Step 2: Convert to fraction form
    154,584.20/231,530.70 = 119,409.80/x
  3. Step 3: Cross multiply
    154,584.20x = 231,530.70 × 119,409.80
  4. Step 4: Simplify right side
    154,584.20x = 27,647,034,580.86
  5. Step 5: Solve for x
    x = 27,647,034,580.86/154,584.20
  6. Step 6: Final answer
    x = 178,847.74

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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.