Finding the Fourth Proportional to 163,743.84, 225,950.49 and 92,122.38
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Solution
The fourth proportional to 163,743.84, 225,950.49 and 92,122.38 is: 127,119.88
Step by Step Solution
- Step 1: Write the proportion equation
163,743.84 : 225,950.49 = 92,122.38 : x - Step 2: Convert to fraction form
163,743.84/225,950.49 = 92,122.38/x - Step 3: Cross multiply
163,743.84x = 225,950.49 × 92,122.38 - Step 4: Simplify right side
163,743.84x = 20,815,096,900.97 - Step 5: Solve for x
x = 20,815,096,900.97/163,743.84 - Step 6: Final answer
x = 127,119.88
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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.