Home / 207,984.42-311,976.63-67,743.05

Finding the Fourth Proportional to 207,984.42, 311,976.63 and 67,743.05

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Solution

The fourth proportional to 207,984.42, 311,976.63 and 67,743.05 is: 101,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,984.42 : 311,976.63 = 67,743.05 : x
  2. Step 2: Convert to fraction form
    207,984.42/311,976.63 = 67,743.05/x
  3. Step 3: Cross multiply
    207,984.42x = 311,976.63 × 67,743.05
  4. Step 4: Simplify right side
    207,984.42x = 21,134,246,885.04
  5. Step 5: Solve for x
    x = 21,134,246,885.04/207,984.42
  6. Step 6: Final answer
    x = 101,614.57

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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.