Home / 136,819-205,226.58-43,324.72

Finding the Fourth Proportional to 136,819, 205,226.58 and 43,324.72

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Solution

The fourth proportional to 136,819, 205,226.58 and 43,324.72 is: 64,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,819 : 205,226.58 = 43,324.72 : x
  2. Step 2: Convert to fraction form
    136,819/205,226.58 = 43,324.72/x
  3. Step 3: Cross multiply
    136,819x = 205,226.58 × 43,324.72
  4. Step 4: Simplify right side
    136,819x = 8,891,384,115.06
  5. Step 5: Solve for x
    x = 8,891,384,115.06/136,819
  6. Step 6: Final answer
    x = 64,986.47

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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.