Finding the Fourth Proportional to 161,068.97, 222,278.19 and 89,455.70
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Solution
The fourth proportional to 161,068.97, 222,278.19 and 89,455.70 is: 123,450.54
Step by Step Solution
- Step 1: Write the proportion equation
161,068.97 : 222,278.19 = 89,455.70 : x - Step 2: Convert to fraction form
161,068.97/222,278.19 = 89,455.70/x - Step 3: Cross multiply
161,068.97x = 222,278.19 × 89,455.70 - Step 4: Simplify right side
161,068.97x = 19,884,051,081.18 - Step 5: Solve for x
x = 19,884,051,081.18/161,068.97 - Step 6: Final answer
x = 123,450.54
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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.