Finding the Fourth Proportional to 163,727.87, 225,942.21 and 92,107.80
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Solution
The fourth proportional to 163,727.87, 225,942.21 and 92,107.80 is: 127,107.50
Step by Step Solution
- Step 1: Write the proportion equation
163,727.87 : 225,942.21 = 92,107.80 : x - Step 2: Convert to fraction form
163,727.87/225,942.21 = 92,107.80/x - Step 3: Cross multiply
163,727.87x = 225,942.21 × 92,107.80 - Step 4: Simplify right side
163,727.87x = 20,811,039,890.24 - Step 5: Solve for x
x = 20,811,039,890.24/163,727.87 - Step 6: Final answer
x = 127,107.50
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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.