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Finding the Fourth Proportional to 131.36, 181.10 and 95.88

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Solution

The fourth proportional to 131.36, 181.10 and 95.88 is: 132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.36 : 181.10 = 95.88 : x
  2. Step 2: Convert to fraction form
    131.36/181.10 = 95.88/x
  3. Step 3: Cross multiply
    131.36x = 181.10 × 95.88
  4. Step 4: Simplify right side
    131.36x = 17,363.39
  5. Step 5: Solve for x
    x = 17,363.39/131.36
  6. Step 6: Final answer
    x = 132.19

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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.