Home / 203,344.25-304,804.83-68,308.14

Finding the Fourth Proportional to 203,344.25, 304,804.83 and 68,308.14

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Solution

The fourth proportional to 203,344.25, 304,804.83 and 68,308.14 is: 102,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,344.25 : 304,804.83 = 68,308.14 : x
  2. Step 2: Convert to fraction form
    203,344.25/304,804.83 = 68,308.14/x
  3. Step 3: Cross multiply
    203,344.25x = 304,804.83 × 68,308.14
  4. Step 4: Simplify right side
    203,344.25x = 20,820,651,000.32
  5. Step 5: Solve for x
    x = 20,820,651,000.32/203,344.25
  6. Step 6: Final answer
    x = 102,391.15

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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.