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Finding the Fourth Proportional to 106.01, 146.10 and 101.76

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Solution

The fourth proportional to 106.01, 146.10 and 101.76 is: 140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.01 : 146.10 = 101.76 : x
  2. Step 2: Convert to fraction form
    106.01/146.10 = 101.76/x
  3. Step 3: Cross multiply
    106.01x = 146.10 × 101.76
  4. Step 4: Simplify right side
    106.01x = 14,866.97
  5. Step 5: Solve for x
    x = 14,866.97/106.01
  6. Step 6: Final answer
    x = 140.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.