Finding the Fourth Proportional to 161,572.62, 222,912.51 and 93,552.47
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Solution
The fourth proportional to 161,572.62, 222,912.51 and 93,552.47 is: 129,068.99
Step by Step Solution
- Step 1: Write the proportion equation
161,572.62 : 222,912.51 = 93,552.47 : x - Step 2: Convert to fraction form
161,572.62/222,912.51 = 93,552.47/x - Step 3: Cross multiply
161,572.62x = 222,912.51 × 93,552.47 - Step 4: Simplify right side
161,572.62x = 20,854,015,274.94 - Step 5: Solve for x
x = 20,854,015,274.94/161,572.62 - Step 6: Final answer
x = 129,068.99
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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.