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Finding the Fourth Proportional to 106.10, 159.89 and 95.83

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Solution

The fourth proportional to 106.10, 159.89 and 95.83 is: 144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.10 : 159.89 = 95.83 : x
  2. Step 2: Convert to fraction form
    106.10/159.89 = 95.83/x
  3. Step 3: Cross multiply
    106.10x = 159.89 × 95.83
  4. Step 4: Simplify right side
    106.10x = 15,321.46
  5. Step 5: Solve for x
    x = 15,321.46/106.10
  6. Step 6: Final answer
    x = 144.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.