Home / 188,938.32-260,745.84-108,365.28

Finding the Fourth Proportional to 188,938.32, 260,745.84 and 108,365.28

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Solution

The fourth proportional to 188,938.32, 260,745.84 and 108,365.28 is: 149,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,938.32 : 260,745.84 = 108,365.28 : x
  2. Step 2: Convert to fraction form
    188,938.32/260,745.84 = 108,365.28/x
  3. Step 3: Cross multiply
    188,938.32x = 260,745.84 × 108,365.28
  4. Step 4: Simplify right side
    188,938.32x = 28,255,795,960.44
  5. Step 5: Solve for x
    x = 28,255,795,960.44/188,938.32
  6. Step 6: Final answer
    x = 149,550.37

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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.