Finding the Fourth Proportional to 147,921.08, 204,132.84 and 80,853.08
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Solution
The fourth proportional to 147,921.08, 204,132.84 and 80,853.08 is: 111,578.21
Step by Step Solution
- Step 1: Write the proportion equation
147,921.08 : 204,132.84 = 80,853.08 : x - Step 2: Convert to fraction form
147,921.08/204,132.84 = 80,853.08/x - Step 3: Cross multiply
147,921.08x = 204,132.84 × 80,853.08 - Step 4: Simplify right side
147,921.08x = 16,504,768,843.15 - Step 5: Solve for x
x = 16,504,768,843.15/147,921.08 - Step 6: Final answer
x = 111,578.21
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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.