Home / 102,791.05-154,244.89-40,505.29

Finding the Fourth Proportional to 102,791.05, 154,244.89 and 40,505.29

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Solution

The fourth proportional to 102,791.05, 154,244.89 and 40,505.29 is: 60,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.05 : 154,244.89 = 40,505.29 : x
  2. Step 2: Convert to fraction form
    102,791.05/154,244.89 = 40,505.29/x
  3. Step 3: Cross multiply
    102,791.05x = 154,244.89 × 40,505.29
  4. Step 4: Simplify right side
    102,791.05x = 6,247,734,000.47
  5. Step 5: Solve for x
    x = 6,247,734,000.47/102,791.05
  6. Step 6: Final answer
    x = 60,780.91

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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.