Finding the Fourth Proportional to 163,721.41, 225,935.21 and 92,101.49
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Solution
The fourth proportional to 163,721.41, 225,935.21 and 92,101.49 is: 127,099.87
Step by Step Solution
- Step 1: Write the proportion equation
163,721.41 : 225,935.21 = 92,101.49 : x - Step 2: Convert to fraction form
163,721.41/225,935.21 = 92,101.49/x - Step 3: Cross multiply
163,721.41x = 225,935.21 × 92,101.49 - Step 4: Simplify right side
163,721.41x = 20,808,969,432.30 - Step 5: Solve for x
x = 20,808,969,432.30/163,721.41 - Step 6: Final answer
x = 127,099.87
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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.