Home / 239,321.43-330,265.76-131,895.36

Finding the Fourth Proportional to 239,321.43, 330,265.76 and 131,895.36

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Solution

The fourth proportional to 239,321.43, 330,265.76 and 131,895.36 is: 182,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,321.43 : 330,265.76 = 131,895.36 : x
  2. Step 2: Convert to fraction form
    239,321.43/330,265.76 = 131,895.36/x
  3. Step 3: Cross multiply
    239,321.43x = 330,265.76 × 131,895.36
  4. Step 4: Simplify right side
    239,321.43x = 43,560,520,651.40
  5. Step 5: Solve for x
    x = 43,560,520,651.40/239,321.43
  6. Step 6: Final answer
    x = 182,016.80

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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.