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Finding the Fourth Proportional to 141.02, 194.58 and 88.56

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Solution

The fourth proportional to 141.02, 194.58 and 88.56 is: 122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.02 : 194.58 = 88.56 : x
  2. Step 2: Convert to fraction form
    141.02/194.58 = 88.56/x
  3. Step 3: Cross multiply
    141.02x = 194.58 × 88.56
  4. Step 4: Simplify right side
    141.02x = 17,232.00
  5. Step 5: Solve for x
    x = 17,232.00/141.02
  6. Step 6: Final answer
    x = 122.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.