Home / 207,397.44-311,141.52-67,170.24

Finding the Fourth Proportional to 207,397.44, 311,141.52 and 67,170.24

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Solution

The fourth proportional to 207,397.44, 311,141.52 and 67,170.24 is: 100,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,397.44 : 311,141.52 = 67,170.24 : x
  2. Step 2: Convert to fraction form
    207,397.44/311,141.52 = 67,170.24/x
  3. Step 3: Cross multiply
    207,397.44x = 311,141.52 × 67,170.24
  4. Step 4: Simplify right side
    207,397.44x = 20,899,450,572.36
  5. Step 5: Solve for x
    x = 20,899,450,572.36/207,397.44
  6. Step 6: Final answer
    x = 100,770.05

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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.