Home / 203,387.14-305,092.32-68,397.04

Finding the Fourth Proportional to 203,387.14, 305,092.32 and 68,397.04

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Solution

The fourth proportional to 203,387.14, 305,092.32 and 68,397.04 is: 102,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,387.14 : 305,092.32 = 68,397.04 : x
  2. Step 2: Convert to fraction form
    203,387.14/305,092.32 = 68,397.04/x
  3. Step 3: Cross multiply
    203,387.14x = 305,092.32 × 68,397.04
  4. Step 4: Simplify right side
    203,387.14x = 20,867,411,614.73
  5. Step 5: Solve for x
    x = 20,867,411,614.73/203,387.14
  6. Step 6: Final answer
    x = 102,599.46

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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.