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Finding the Fourth Proportional to 203,196.60, 304,967.70 and 91,049.40

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Solution

The fourth proportional to 203,196.60, 304,967.70 and 91,049.40 is: 136,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.60 : 304,967.70 = 91,049.40 : x
  2. Step 2: Convert to fraction form
    203,196.60/304,967.70 = 91,049.40/x
  3. Step 3: Cross multiply
    203,196.60x = 304,967.70 × 91,049.40
  4. Step 4: Simplify right side
    203,196.60x = 27,767,126,104.38
  5. Step 5: Solve for x
    x = 27,767,126,104.38/203,196.60
  6. Step 6: Final answer
    x = 136,651.53

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