Home / 156,942.44-235,388.82-68,172.14

Finding the Fourth Proportional to 156,942.44, 235,388.82 and 68,172.14

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Solution

The fourth proportional to 156,942.44, 235,388.82 and 68,172.14 is: 102,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.44 : 235,388.82 = 68,172.14 : x
  2. Step 2: Convert to fraction form
    156,942.44/235,388.82 = 68,172.14/x
  3. Step 3: Cross multiply
    156,942.44x = 235,388.82 × 68,172.14
  4. Step 4: Simplify right side
    156,942.44x = 16,046,959,591.47
  5. Step 5: Solve for x
    x = 16,046,959,591.47/156,942.44
  6. Step 6: Final answer
    x = 102,247.42

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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.