Home / 230,015.97-345,056.36-80,234.42

Finding the Fourth Proportional to 230,015.97, 345,056.36 and 80,234.42

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Solution

The fourth proportional to 230,015.97, 345,056.36 and 80,234.42 is: 120,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,015.97 : 345,056.36 = 80,234.42 : x
  2. Step 2: Convert to fraction form
    230,015.97/345,056.36 = 80,234.42/x
  3. Step 3: Cross multiply
    230,015.97x = 345,056.36 × 80,234.42
  4. Step 4: Simplify right side
    230,015.97x = 27,685,394,785.46
  5. Step 5: Solve for x
    x = 27,685,394,785.46/230,015.97
  6. Step 6: Final answer
    x = 120,362.92

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1.5x scale

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.