Home / 188,017.80-259,480.94-103,151.26

Finding the Fourth Proportional to 188,017.80, 259,480.94 and 103,151.26

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Solution

The fourth proportional to 188,017.80, 259,480.94 and 103,151.26 is: 142,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017.80 : 259,480.94 = 103,151.26 : x
  2. Step 2: Convert to fraction form
    188,017.80/259,480.94 = 103,151.26/x
  3. Step 3: Cross multiply
    188,017.80x = 259,480.94 × 103,151.26
  4. Step 4: Simplify right side
    188,017.80x = 26,765,785,906.98
  5. Step 5: Solve for x
    x = 26,765,785,906.98/188,017.80
  6. Step 6: Final answer
    x = 142,357.72

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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.