Home / 159,759.20-239,672.82-47,439.74

Finding the Fourth Proportional to 159,759.20, 239,672.82 and 47,439.74

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Solution

The fourth proportional to 159,759.20, 239,672.82 and 47,439.74 is: 71,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,759.20 : 239,672.82 = 47,439.74 : x
  2. Step 2: Convert to fraction form
    159,759.20/239,672.82 = 47,439.74/x
  3. Step 3: Cross multiply
    159,759.20x = 239,672.82 × 47,439.74
  4. Step 4: Simplify right side
    159,759.20x = 11,370,016,265.87
  5. Step 5: Solve for x
    x = 11,370,016,265.87/159,759.20
  6. Step 6: Final answer
    x = 71,169.71

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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.