Home / 139,516.20-192,530.25-75,853.44

Finding the Fourth Proportional to 139,516.20, 192,530.25 and 75,853.44

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Solution

The fourth proportional to 139,516.20, 192,530.25 and 75,853.44 is: 104,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,516.20 : 192,530.25 = 75,853.44 : x
  2. Step 2: Convert to fraction form
    139,516.20/192,530.25 = 75,853.44/x
  3. Step 3: Cross multiply
    139,516.20x = 192,530.25 × 75,853.44
  4. Step 4: Simplify right side
    139,516.20x = 14,604,081,766.56
  5. Step 5: Solve for x
    x = 14,604,081,766.56/139,516.20
  6. Step 6: Final answer
    x = 104,676.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.