Home / 68,308.14-102,458.49-26,208.42

Finding the Fourth Proportional to 68,308.14, 102,458.49 and 26,208.42

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Solution

The fourth proportional to 68,308.14, 102,458.49 and 26,208.42 is: 39,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,308.14 : 102,458.49 = 26,208.42 : x
  2. Step 2: Convert to fraction form
    68,308.14/102,458.49 = 26,208.42/x
  3. Step 3: Cross multiply
    68,308.14x = 102,458.49 × 26,208.42
  4. Step 4: Simplify right side
    68,308.14x = 2,685,275,138.49
  5. Step 5: Solve for x
    x = 2,685,275,138.49/68,308.14
  6. Step 6: Final answer
    x = 39,311.20

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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.