Finding the Fourth Proportional to 161,544.05, 222,951.68 and 92,660.39
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Solution
The fourth proportional to 161,544.05, 222,951.68 and 92,660.39 is: 127,883.32
Step by Step Solution
- Step 1: Write the proportion equation
161,544.05 : 222,951.68 = 92,660.39 : x - Step 2: Convert to fraction form
161,544.05/222,951.68 = 92,660.39/x - Step 3: Cross multiply
161,544.05x = 222,951.68 × 92,660.39 - Step 4: Simplify right side
161,544.05x = 20,658,789,619.96 - Step 5: Solve for x
x = 20,658,789,619.96/161,544.05 - Step 6: Final answer
x = 127,883.32
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1.5x scale
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.