Home / 203,025.20-304,504.20-68,087.60

Finding the Fourth Proportional to 203,025.20, 304,504.20 and 68,087.60

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Solution

The fourth proportional to 203,025.20, 304,504.20 and 68,087.60 is: 102,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,025.20 : 304,504.20 = 68,087.60 : x
  2. Step 2: Convert to fraction form
    203,025.20/304,504.20 = 68,087.60/x
  3. Step 3: Cross multiply
    203,025.20x = 304,504.20 × 68,087.60
  4. Step 4: Simplify right side
    203,025.20x = 20,732,960,167.92
  5. Step 5: Solve for x
    x = 20,732,960,167.92/203,025.20
  6. Step 6: Final answer
    x = 102,120.13

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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.