Finding the Fourth Proportional to 147,693.25, 203,734.62 and 96,788.09
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Solution
The fourth proportional to 147,693.25, 203,734.62 and 96,788.09 is: 133,513.78
Step by Step Solution
- Step 1: Write the proportion equation
147,693.25 : 203,734.62 = 96,788.09 : x - Step 2: Convert to fraction form
147,693.25/203,734.62 = 96,788.09/x - Step 3: Cross multiply
147,693.25x = 203,734.62 × 96,788.09 - Step 4: Simplify right side
147,693.25x = 19,719,084,736.68 - Step 5: Solve for x
x = 19,719,084,736.68/147,693.25 - Step 6: Final answer
x = 133,513.78
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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.