Home / 188,786.35-260,517.49-103,903.75

Finding the Fourth Proportional to 188,786.35, 260,517.49 and 103,903.75

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Solution

The fourth proportional to 188,786.35, 260,517.49 and 103,903.75 is: 143,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,786.35 : 260,517.49 = 103,903.75 : x
  2. Step 2: Convert to fraction form
    188,786.35/260,517.49 = 103,903.75/x
  3. Step 3: Cross multiply
    188,786.35x = 260,517.49 × 103,903.75
  4. Step 4: Simplify right side
    188,786.35x = 27,068,744,151.59
  5. Step 5: Solve for x
    x = 27,068,744,151.59/188,786.35
  6. Step 6: Final answer
    x = 143,382.95

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1.5x scale

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.