Home / 126,892.32-190,200.96-82,550.64

Finding the Fourth Proportional to 126,892.32, 190,200.96 and 82,550.64

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Solution

The fourth proportional to 126,892.32, 190,200.96 and 82,550.64 is: 123,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,892.32 : 190,200.96 = 82,550.64 : x
  2. Step 2: Convert to fraction form
    126,892.32/190,200.96 = 82,550.64/x
  3. Step 3: Cross multiply
    126,892.32x = 190,200.96 × 82,550.64
  4. Step 4: Simplify right side
    126,892.32x = 15,701,210,976.61
  5. Step 5: Solve for x
    x = 15,701,210,976.61/126,892.32
  6. Step 6: Final answer
    x = 123,736.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.