Finding the Fourth Proportional to 163,723.91, 225,938.66 and 92,103.99
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Solution
The fourth proportional to 163,723.91, 225,938.66 and 92,103.99 is: 127,103.32
Step by Step Solution
- Step 1: Write the proportion equation
163,723.91 : 225,938.66 = 92,103.99 : x - Step 2: Convert to fraction form
163,723.91/225,938.66 = 92,103.99/x - Step 3: Cross multiply
163,723.91x = 225,938.66 × 92,103.99 - Step 4: Simplify right side
163,723.91x = 20,809,852,081.25 - Step 5: Solve for x
x = 20,809,852,081.25/163,723.91 - Step 6: Final answer
x = 127,103.32
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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.