Finding the Fourth Proportional to 163,642.94, 225,825.84 and 92,021.44
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Solution
The fourth proportional to 163,642.94, 225,825.84 and 92,021.44 is: 126,988.79
Step by Step Solution
- Step 1: Write the proportion equation
163,642.94 : 225,825.84 = 92,021.44 : x - Step 2: Convert to fraction form
163,642.94/225,825.84 = 92,021.44/x - Step 3: Cross multiply
163,642.94x = 225,825.84 × 92,021.44 - Step 4: Simplify right side
163,642.94x = 20,780,818,986.01 - Step 5: Solve for x
x = 20,780,818,986.01/163,642.94 - Step 6: Final answer
x = 126,988.79
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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.