Home / 188,272.27-259,816.17-103,394.80

Finding the Fourth Proportional to 188,272.27, 259,816.17 and 103,394.80

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Solution

The fourth proportional to 188,272.27, 259,816.17 and 103,394.80 is: 142,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,272.27 : 259,816.17 = 103,394.80 : x
  2. Step 2: Convert to fraction form
    188,272.27/259,816.17 = 103,394.80/x
  3. Step 3: Cross multiply
    188,272.27x = 259,816.17 × 103,394.80
  4. Step 4: Simplify right side
    188,272.27x = 26,863,640,933.92
  5. Step 5: Solve for x
    x = 26,863,640,933.92/188,272.27
  6. Step 6: Final answer
    x = 142,685.06

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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.