Home / 203,464.10-305,196.15-132,605.30

Finding the Fourth Proportional to 203,464.10, 305,196.15 and 132,605.30

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Solution

The fourth proportional to 203,464.10, 305,196.15 and 132,605.30 is: 198,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,464.10 : 305,196.15 = 132,605.30 : x
  2. Step 2: Convert to fraction form
    203,464.10/305,196.15 = 132,605.30/x
  3. Step 3: Cross multiply
    203,464.10x = 305,196.15 × 132,605.30
  4. Step 4: Simplify right side
    203,464.10x = 40,470,627,029.60
  5. Step 5: Solve for x
    x = 40,470,627,029.60/203,464.10
  6. Step 6: Final answer
    x = 198,907.95

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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.