Home / 156,391.94-234,961.82-100,342.14

Finding the Fourth Proportional to 156,391.94, 234,961.82 and 100,342.14

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Solution

The fourth proportional to 156,391.94, 234,961.82 and 100,342.14 is: 150,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,391.94 : 234,961.82 = 100,342.14 : x
  2. Step 2: Convert to fraction form
    156,391.94/234,961.82 = 100,342.14/x
  3. Step 3: Cross multiply
    156,391.94x = 234,961.82 × 100,342.14
  4. Step 4: Simplify right side
    156,391.94x = 23,576,571,335.38
  5. Step 5: Solve for x
    x = 23,576,571,335.38/156,391.94
  6. Step 6: Final answer
    x = 150,753.11

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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.