Finding the Fourth Proportional to 126,268.70, 189,057.45 and 98,620.70
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Solution
The fourth proportional to 126,268.70, 189,057.45 and 98,620.70 is: 147,661.12
Step by Step Solution
- Step 1: Write the proportion equation
126,268.70 : 189,057.45 = 98,620.70 : x - Step 2: Convert to fraction form
126,268.70/189,057.45 = 98,620.70/x - Step 3: Cross multiply
126,268.70x = 189,057.45 × 98,620.70 - Step 4: Simplify right side
126,268.70x = 18,644,978,059.22 - Step 5: Solve for x
x = 18,644,978,059.22/126,268.70 - Step 6: Final answer
x = 147,661.12
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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.