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Finding the Fourth Proportional to 69,425, 104,137.80 and 16,834.58

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Solution

The fourth proportional to 69,425, 104,137.80 and 16,834.58 is: 25,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425 : 104,137.80 = 16,834.58 : x
  2. Step 2: Convert to fraction form
    69,425/104,137.80 = 16,834.58/x
  3. Step 3: Cross multiply
    69,425x = 104,137.80 × 16,834.58
  4. Step 4: Simplify right side
    69,425x = 1,753,116,125.12
  5. Step 5: Solve for x
    x = 1,753,116,125.12/69,425
  6. Step 6: Final answer
    x = 25,251.94

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1.5x scale

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.