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Finding the Fourth Proportional to 106.08, 158.76 and 94.08

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Solution

The fourth proportional to 106.08, 158.76 and 94.08 is: 140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.08 : 158.76 = 94.08 : x
  2. Step 2: Convert to fraction form
    106.08/158.76 = 94.08/x
  3. Step 3: Cross multiply
    106.08x = 158.76 × 94.08
  4. Step 4: Simplify right side
    106.08x = 14,936.14
  5. Step 5: Solve for x
    x = 14,936.14/106.08
  6. Step 6: Final answer
    x = 140.80

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