Finding the Fourth Proportional to 203,725.19, 281,110.80 and 113,081.84
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Solution
The fourth proportional to 203,725.19, 281,110.80 and 113,081.84 is: 156,036.31
Step by Step Solution
- Step 1: Write the proportion equation
203,725.19 : 281,110.80 = 113,081.84 : x - Step 2: Convert to fraction form
203,725.19/281,110.80 = 113,081.84/x - Step 3: Cross multiply
203,725.19x = 281,110.80 × 113,081.84 - Step 4: Simplify right side
203,725.19x = 31,788,526,580.54 - Step 5: Solve for x
x = 31,788,526,580.54/203,725.19 - Step 6: Final answer
x = 156,036.31
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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.