Home / 188,577.05-260,214.48-107,999.75

Finding the Fourth Proportional to 188,577.05, 260,214.48 and 107,999.75

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Solution

The fourth proportional to 188,577.05, 260,214.48 and 107,999.75 is: 149,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,577.05 : 260,214.48 = 107,999.75 : x
  2. Step 2: Convert to fraction form
    188,577.05/260,214.48 = 107,999.75/x
  3. Step 3: Cross multiply
    188,577.05x = 260,214.48 × 107,999.75
  4. Step 4: Simplify right side
    188,577.05x = 28,103,099,436.92
  5. Step 5: Solve for x
    x = 28,103,099,436.92/188,577.05
  6. Step 6: Final answer
    x = 149,027.15

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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.