Finding the Fourth Proportional to 119,950.93, 165,532.26 and 66,236.05
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Solution
The fourth proportional to 119,950.93, 165,532.26 and 66,236.05 is: 91,405.74
Step by Step Solution
- Step 1: Write the proportion equation
119,950.93 : 165,532.26 = 66,236.05 : x - Step 2: Convert to fraction form
119,950.93/165,532.26 = 66,236.05/x - Step 3: Cross multiply
119,950.93x = 165,532.26 × 66,236.05 - Step 4: Simplify right side
119,950.93x = 10,964,203,049.97 - Step 5: Solve for x
x = 10,964,203,049.97/119,950.93 - Step 6: Final answer
x = 91,405.74
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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.