Finding the Fourth Proportional to 163,725.81, 225,939.36 and 92,105.81
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Solution
The fourth proportional to 163,725.81, 225,939.36 and 92,105.81 is: 127,104.75
Step by Step Solution
- Step 1: Write the proportion equation
163,725.81 : 225,939.36 = 92,105.81 : x - Step 2: Convert to fraction form
163,725.81/225,939.36 = 92,105.81/x - Step 3: Cross multiply
163,725.81x = 225,939.36 × 92,105.81 - Step 4: Simplify right side
163,725.81x = 20,810,327,763.68 - Step 5: Solve for x
x = 20,810,327,763.68/163,725.81 - Step 6: Final answer
x = 127,104.75
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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.