Finding the Fourth Proportional to 161,207.87, 222,449.18 and 93,214.55
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Solution
The fourth proportional to 161,207.87, 222,449.18 and 93,214.55 is: 128,625.85
Step by Step Solution
- Step 1: Write the proportion equation
161,207.87 : 222,449.18 = 93,214.55 : x - Step 2: Convert to fraction form
161,207.87/222,449.18 = 93,214.55/x - Step 3: Cross multiply
161,207.87x = 222,449.18 × 93,214.55 - Step 4: Simplify right side
161,207.87x = 20,735,498,633.25 - Step 5: Solve for x
x = 20,735,498,633.25/161,207.87 - Step 6: Final answer
x = 128,625.85
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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.