Home / 154,439.80-231,659.70-119,404.60

Finding the Fourth Proportional to 154,439.80, 231,659.70 and 119,404.60

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Solution

The fourth proportional to 154,439.80, 231,659.70 and 119,404.60 is: 179,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.80 : 231,659.70 = 119,404.60 : x
  2. Step 2: Convert to fraction form
    154,439.80/231,659.70 = 119,404.60/x
  3. Step 3: Cross multiply
    154,439.80x = 231,659.70 × 119,404.60
  4. Step 4: Simplify right side
    154,439.80x = 27,661,233,814.62
  5. Step 5: Solve for x
    x = 27,661,233,814.62/154,439.80
  6. Step 6: Final answer
    x = 179,106.90

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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.