Finding the Fourth Proportional to 163,091.64, 225,074.04 and 101,874.09
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Solution
The fourth proportional to 163,091.64, 225,074.04 and 101,874.09 is: 140,590.98
Step by Step Solution
- Step 1: Write the proportion equation
163,091.64 : 225,074.04 = 101,874.09 : x - Step 2: Convert to fraction form
163,091.64/225,074.04 = 101,874.09/x - Step 3: Cross multiply
163,091.64x = 225,074.04 × 101,874.09 - Step 4: Simplify right side
163,091.64x = 22,929,213,007.62 - Step 5: Solve for x
x = 22,929,213,007.62/163,091.64 - Step 6: Final answer
x = 140,590.98
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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.