Home / 239,998.03-331,198.37-131,103.82

Finding the Fourth Proportional to 239,998.03, 331,198.37 and 131,103.82

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Solution

The fourth proportional to 239,998.03, 331,198.37 and 131,103.82 is: 180,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,998.03 : 331,198.37 = 131,103.82 : x
  2. Step 2: Convert to fraction form
    239,998.03/331,198.37 = 131,103.82/x
  3. Step 3: Cross multiply
    239,998.03x = 331,198.37 × 131,103.82
  4. Step 4: Simplify right side
    239,998.03x = 43,421,371,484.77
  5. Step 5: Solve for x
    x = 43,421,371,484.77/239,998.03
  6. Step 6: Final answer
    x = 180,923.87

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1.5x scale

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.