Finding the Fourth Proportional to 111,894.08, 154,414.88 and 61,594.08
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Solution
The fourth proportional to 111,894.08, 154,414.88 and 61,594.08 is: 85,000.41
Step by Step Solution
- Step 1: Write the proportion equation
111,894.08 : 154,414.88 = 61,594.08 : x - Step 2: Convert to fraction form
111,894.08/154,414.88 = 61,594.08/x - Step 3: Cross multiply
111,894.08x = 154,414.88 × 61,594.08 - Step 4: Simplify right side
111,894.08x = 9,511,042,471.91 - Step 5: Solve for x
x = 9,511,042,471.91/111,894.08 - Step 6: Final answer
x = 85,000.41
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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.