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Finding the Fourth Proportional to 130.43, 195.45 and 96.03

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Solution

The fourth proportional to 130.43, 195.45 and 96.03 is: 143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.43 : 195.45 = 96.03 : x
  2. Step 2: Convert to fraction form
    130.43/195.45 = 96.03/x
  3. Step 3: Cross multiply
    130.43x = 195.45 × 96.03
  4. Step 4: Simplify right side
    130.43x = 18,769.06
  5. Step 5: Solve for x
    x = 18,769.06/130.43
  6. Step 6: Final answer
    x = 143.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.