Home / 129,836.20-194,759.16-36,339.52

Finding the Fourth Proportional to 129,836.20, 194,759.16 and 36,339.52

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Solution

The fourth proportional to 129,836.20, 194,759.16 and 36,339.52 is: 54,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,836.20 : 194,759.16 = 36,339.52 : x
  2. Step 2: Convert to fraction form
    129,836.20/194,759.16 = 36,339.52/x
  3. Step 3: Cross multiply
    129,836.20x = 194,759.16 × 36,339.52
  4. Step 4: Simplify right side
    129,836.20x = 7,077,454,390.00
  5. Step 5: Solve for x
    x = 7,077,454,390.00/129,836.20
  6. Step 6: Final answer
    x = 54,510.64

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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.