Home / 207,466.68-311,228.82-67,179.96

Finding the Fourth Proportional to 207,466.68, 311,228.82 and 67,179.96

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Solution

The fourth proportional to 207,466.68, 311,228.82 and 67,179.96 is: 100,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,466.68 : 311,228.82 = 67,179.96 : x
  2. Step 2: Convert to fraction form
    207,466.68/311,228.82 = 67,179.96/x
  3. Step 3: Cross multiply
    207,466.68x = 311,228.82 × 67,179.96
  4. Step 4: Simplify right side
    207,466.68x = 20,908,339,678.45
  5. Step 5: Solve for x
    x = 20,908,339,678.45/207,466.68
  6. Step 6: Final answer
    x = 100,779.27

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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.