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Finding the Fourth Proportional to 124.36, 185.93 and 118.13

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Solution

The fourth proportional to 124.36, 185.93 and 118.13 is: 176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.36 : 185.93 = 118.13 : x
  2. Step 2: Convert to fraction form
    124.36/185.93 = 118.13/x
  3. Step 3: Cross multiply
    124.36x = 185.93 × 118.13
  4. Step 4: Simplify right side
    124.36x = 21,964.23
  5. Step 5: Solve for x
    x = 21,964.23/124.36
  6. Step 6: Final answer
    x = 176.62

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Why These Related Problems?

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