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Finding the Fourth Proportional to 136.03, 188.62 and 131.98

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Solution

The fourth proportional to 136.03, 188.62 and 131.98 is: 183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.03 : 188.62 = 131.98 : x
  2. Step 2: Convert to fraction form
    136.03/188.62 = 131.98/x
  3. Step 3: Cross multiply
    136.03x = 188.62 × 131.98
  4. Step 4: Simplify right side
    136.03x = 24,894.07
  5. Step 5: Solve for x
    x = 24,894.07/136.03
  6. Step 6: Final answer
    x = 183.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.