Home / 282,022.60-422,904.30-124,169.80

Finding the Fourth Proportional to 282,022.60, 422,904.30 and 124,169.80

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Solution

The fourth proportional to 282,022.60, 422,904.30 and 124,169.80 is: 186,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,022.60 : 422,904.30 = 124,169.80 : x
  2. Step 2: Convert to fraction form
    282,022.60/422,904.30 = 124,169.80/x
  3. Step 3: Cross multiply
    282,022.60x = 422,904.30 × 124,169.80
  4. Step 4: Simplify right side
    282,022.60x = 52,511,942,350.14
  5. Step 5: Solve for x
    x = 52,511,942,350.14/282,022.60
  6. Step 6: Final answer
    x = 186,197.64

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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.