Finding the Fourth Proportional to 117,367.11, 161,941.68 and 69,635.97
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Solution
The fourth proportional to 117,367.11, 161,941.68 and 69,635.97 is: 96,082.85
Step by Step Solution
- Step 1: Write the proportion equation
117,367.11 : 161,941.68 = 69,635.97 : x - Step 2: Convert to fraction form
117,367.11/161,941.68 = 69,635.97/x - Step 3: Cross multiply
117,367.11x = 161,941.68 × 69,635.97 - Step 4: Simplify right side
117,367.11x = 11,276,965,970.23 - Step 5: Solve for x
x = 11,276,965,970.23/117,367.11 - Step 6: Final answer
x = 96,082.85
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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.