Finding the Fourth Proportional to 136,805.76, 205,537.44 and 129,252.96
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Solution
The fourth proportional to 136,805.76, 205,537.44 and 129,252.96 is: 194,190.09
Step by Step Solution
- Step 1: Write the proportion equation
136,805.76 : 205,537.44 = 129,252.96 : x - Step 2: Convert to fraction form
136,805.76/205,537.44 = 129,252.96/x - Step 3: Cross multiply
136,805.76x = 205,537.44 × 129,252.96 - Step 4: Simplify right side
136,805.76x = 26,566,322,510.82 - Step 5: Solve for x
x = 26,566,322,510.82/136,805.76 - Step 6: Final answer
x = 194,190.09
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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.