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Finding the Fourth Proportional to 134.43, 185.33 and 124.00

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Solution

The fourth proportional to 134.43, 185.33 and 124.00 is: 170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.43 : 185.33 = 124.00 : x
  2. Step 2: Convert to fraction form
    134.43/185.33 = 124.00/x
  3. Step 3: Cross multiply
    134.43x = 185.33 × 124.00
  4. Step 4: Simplify right side
    134.43x = 22,980.77
  5. Step 5: Solve for x
    x = 22,980.77/134.43
  6. Step 6: Final answer
    x = 170.95

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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.