Finding the Fourth Proportional to 163,842.26, 226,087.90 and 91,239.66
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Solution
The fourth proportional to 163,842.26, 226,087.90 and 91,239.66 is: 125,902.70
Step by Step Solution
- Step 1: Write the proportion equation
163,842.26 : 226,087.90 = 91,239.66 : x - Step 2: Convert to fraction form
163,842.26/226,087.90 = 91,239.66/x - Step 3: Cross multiply
163,842.26x = 226,087.90 × 91,239.66 - Step 4: Simplify right side
163,842.26x = 20,628,183,126.11 - Step 5: Solve for x
x = 20,628,183,126.11/163,842.26 - Step 6: Final answer
x = 125,902.70
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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.