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Finding the Fourth Proportional to 95.03, 143.42 and 92.60

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Solution

The fourth proportional to 95.03, 143.42 and 92.60 is: 139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.03 : 143.42 = 92.60 : x
  2. Step 2: Convert to fraction form
    95.03/143.42 = 92.60/x
  3. Step 3: Cross multiply
    95.03x = 143.42 × 92.60
  4. Step 4: Simplify right side
    95.03x = 13,279.51
  5. Step 5: Solve for x
    x = 13,279.51/95.03
  6. Step 6: Final answer
    x = 139.75

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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.