Home / 188,016.80-259,479.56-103,150.26

Finding the Fourth Proportional to 188,016.80, 259,479.56 and 103,150.26

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Solution

The fourth proportional to 188,016.80, 259,479.56 and 103,150.26 is: 142,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,016.80 : 259,479.56 = 103,150.26 : x
  2. Step 2: Convert to fraction form
    188,016.80/259,479.56 = 103,150.26/x
  3. Step 3: Cross multiply
    188,016.80x = 259,479.56 × 103,150.26
  4. Step 4: Simplify right side
    188,016.80x = 26,765,384,336.56
  5. Step 5: Solve for x
    x = 26,765,384,336.56/188,016.80
  6. Step 6: Final answer
    x = 142,356.35

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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.