Finding the Fourth Proportional to 141,450.76, 195,198.35 and 84,090.19
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Solution
The fourth proportional to 141,450.76, 195,198.35 and 84,090.19 is: 116,042.27
Step by Step Solution
- Step 1: Write the proportion equation
141,450.76 : 195,198.35 = 84,090.19 : x - Step 2: Convert to fraction form
141,450.76/195,198.35 = 84,090.19/x - Step 3: Cross multiply
141,450.76x = 195,198.35 × 84,090.19 - Step 4: Simplify right side
141,450.76x = 16,414,266,951.08 - Step 5: Solve for x
x = 16,414,266,951.08/141,450.76 - Step 6: Final answer
x = 116,042.27
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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.