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Finding the Fourth Proportional to 110.14, 151.90 and 104.06

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Solution

The fourth proportional to 110.14, 151.90 and 104.06 is: 143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.14 : 151.90 = 104.06 : x
  2. Step 2: Convert to fraction form
    110.14/151.90 = 104.06/x
  3. Step 3: Cross multiply
    110.14x = 151.90 × 104.06
  4. Step 4: Simplify right side
    110.14x = 15,806.71
  5. Step 5: Solve for x
    x = 15,806.71/110.14
  6. Step 6: Final answer
    x = 143.51

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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.