Home / 272,142.68-408,214.96-82,604.64

Finding the Fourth Proportional to 272,142.68, 408,214.96 and 82,604.64

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Solution

The fourth proportional to 272,142.68, 408,214.96 and 82,604.64 is: 123,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,142.68 : 408,214.96 = 82,604.64 : x
  2. Step 2: Convert to fraction form
    272,142.68/408,214.96 = 82,604.64/x
  3. Step 3: Cross multiply
    272,142.68x = 408,214.96 × 82,604.64
  4. Step 4: Simplify right side
    272,142.68x = 33,720,451,137.71
  5. Step 5: Solve for x
    x = 33,720,451,137.71/272,142.68
  6. Step 6: Final answer
    x = 123,907.25

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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.