Home / 129,720.93-194,497.55-50,843.13

Finding the Fourth Proportional to 129,720.93, 194,497.55 and 50,843.13

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Solution

The fourth proportional to 129,720.93, 194,497.55 and 50,843.13 is: 76,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,720.93 : 194,497.55 = 50,843.13 : x
  2. Step 2: Convert to fraction form
    129,720.93/194,497.55 = 50,843.13/x
  3. Step 3: Cross multiply
    129,720.93x = 194,497.55 × 50,843.13
  4. Step 4: Simplify right side
    129,720.93x = 9,888,863,965.12
  5. Step 5: Solve for x
    x = 9,888,863,965.12/129,720.93
  6. Step 6: Final answer
    x = 76,231.83

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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.