Finding the Fourth Proportional to 136,391.04, 188,213.76 and 98,599.68
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Solution
The fourth proportional to 136,391.04, 188,213.76 and 98,599.68 is: 136,063.31
Step by Step Solution
- Step 1: Write the proportion equation
136,391.04 : 188,213.76 = 98,599.68 : x - Step 2: Convert to fraction form
136,391.04/188,213.76 = 98,599.68/x - Step 3: Cross multiply
136,391.04x = 188,213.76 × 98,599.68 - Step 4: Simplify right side
136,391.04x = 18,557,816,507.60 - Step 5: Solve for x
x = 18,557,816,507.60/136,391.04 - Step 6: Final answer
x = 136,063.31
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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.