Home / 69,449.30-104,173.19-16,858.78

Finding the Fourth Proportional to 69,449.30, 104,173.19 and 16,858.78

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Solution

The fourth proportional to 69,449.30, 104,173.19 and 16,858.78 is: 25,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449.30 : 104,173.19 = 16,858.78 : x
  2. Step 2: Convert to fraction form
    69,449.30/104,173.19 = 16,858.78/x
  3. Step 3: Cross multiply
    69,449.30x = 104,173.19 × 16,858.78
  4. Step 4: Simplify right side
    69,449.30x = 1,756,233,196.58
  5. Step 5: Solve for x
    x = 1,756,233,196.58/69,449.30
  6. Step 6: Final answer
    x = 25,287.99

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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.