Home / 272,142.55-408,214.77-82,604.52

Finding the Fourth Proportional to 272,142.55, 408,214.77 and 82,604.52

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Solution

The fourth proportional to 272,142.55, 408,214.77 and 82,604.52 is: 123,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,142.55 : 408,214.77 = 82,604.52 : x
  2. Step 2: Convert to fraction form
    272,142.55/408,214.77 = 82,604.52/x
  3. Step 3: Cross multiply
    272,142.55x = 408,214.77 × 82,604.52
  4. Step 4: Simplify right side
    272,142.55x = 33,720,385,132.76
  5. Step 5: Solve for x
    x = 33,720,385,132.76/272,142.55
  6. Step 6: Final answer
    x = 123,907.07

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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.