Home / 102,791.22-154,191.33-35,369.70

Finding the Fourth Proportional to 102,791.22, 154,191.33 and 35,369.70

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Solution

The fourth proportional to 102,791.22, 154,191.33 and 35,369.70 is: 53,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.22 : 154,191.33 = 35,369.70 : x
  2. Step 2: Convert to fraction form
    102,791.22/154,191.33 = 35,369.70/x
  3. Step 3: Cross multiply
    102,791.22x = 154,191.33 × 35,369.70
  4. Step 4: Simplify right side
    102,791.22x = 5,453,701,084.70
  5. Step 5: Solve for x
    x = 5,453,701,084.70/102,791.22
  6. Step 6: Final answer
    x = 53,056.10

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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.