Finding the Fourth Proportional to 136,042.08, 204,084.16 and 69,446.08
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Solution
The fourth proportional to 136,042.08, 204,084.16 and 69,446.08 is: 104,179.86
Step by Step Solution
- Step 1: Write the proportion equation
136,042.08 : 204,084.16 = 69,446.08 : x - Step 2: Convert to fraction form
136,042.08/204,084.16 = 69,446.08/x - Step 3: Cross multiply
136,042.08x = 204,084.16 × 69,446.08 - Step 4: Simplify right side
136,042.08x = 14,172,844,902.09 - Step 5: Solve for x
x = 14,172,844,902.09/136,042.08 - Step 6: Final answer
x = 104,179.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.