Finding the Fourth Proportional to 119,021.75, 164,247.10 and 66,633.08
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Solution
The fourth proportional to 119,021.75, 164,247.10 and 66,633.08 is: 91,952.01
Step by Step Solution
- Step 1: Write the proportion equation
119,021.75 : 164,247.10 = 66,633.08 : x - Step 2: Convert to fraction form
119,021.75/164,247.10 = 66,633.08/x - Step 3: Cross multiply
119,021.75x = 164,247.10 × 66,633.08 - Step 4: Simplify right side
119,021.75x = 10,944,289,166.25 - Step 5: Solve for x
x = 10,944,289,166.25/119,021.75 - Step 6: Final answer
x = 91,952.01
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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.