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Finding the Fourth Proportional to 134.43, 185.58 and 93.02

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Solution

The fourth proportional to 134.43, 185.58 and 93.02 is: 128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.43 : 185.58 = 93.02 : x
  2. Step 2: Convert to fraction form
    134.43/185.58 = 93.02/x
  3. Step 3: Cross multiply
    134.43x = 185.58 × 93.02
  4. Step 4: Simplify right side
    134.43x = 17,261.72
  5. Step 5: Solve for x
    x = 17,261.72/134.43
  6. Step 6: Final answer
    x = 128.41

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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.