Home / 102,930.24-154,469.16-43,807.44

Finding the Fourth Proportional to 102,930.24, 154,469.16 and 43,807.44

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Solution

The fourth proportional to 102,930.24, 154,469.16 and 43,807.44 is: 65,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,930.24 : 154,469.16 = 43,807.44 : x
  2. Step 2: Convert to fraction form
    102,930.24/154,469.16 = 43,807.44/x
  3. Step 3: Cross multiply
    102,930.24x = 154,469.16 × 43,807.44
  4. Step 4: Simplify right side
    102,930.24x = 6,766,898,458.55
  5. Step 5: Solve for x
    x = 6,766,898,458.55/102,930.24
  6. Step 6: Final answer
    x = 65,742.57

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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.