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Finding the Fourth Proportional to 107.19, 147.83 and 95.04

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Solution

The fourth proportional to 107.19, 147.83 and 95.04 is: 131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.19 : 147.83 = 95.04 : x
  2. Step 2: Convert to fraction form
    107.19/147.83 = 95.04/x
  3. Step 3: Cross multiply
    107.19x = 147.83 × 95.04
  4. Step 4: Simplify right side
    107.19x = 14,049.29
  5. Step 5: Solve for x
    x = 14,049.29/107.19
  6. Step 6: Final answer
    x = 131.07

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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.