Finding the Fourth Proportional to 163,723.81, 225,936.61 and 92,103.81
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Solution
The fourth proportional to 163,723.81, 225,936.61 and 92,103.81 is: 127,101.99
Step by Step Solution
- Step 1: Write the proportion equation
163,723.81 : 225,936.61 = 92,103.81 : x - Step 2: Convert to fraction form
163,723.81/225,936.61 = 92,103.81/x - Step 3: Cross multiply
163,723.81x = 225,936.61 × 92,103.81 - Step 4: Simplify right side
163,723.81x = 20,809,622,138.97 - Step 5: Solve for x
x = 20,809,622,138.97/163,723.81 - Step 6: Final answer
x = 127,101.99
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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.