Finding the Fourth Proportional to 136,720.88, 205,095.96 and 57,843.08
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Solution
The fourth proportional to 136,720.88, 205,095.96 and 57,843.08 is: 86,770.81
Step by Step Solution
- Step 1: Write the proportion equation
136,720.88 : 205,095.96 = 57,843.08 : x - Step 2: Convert to fraction form
136,720.88/205,095.96 = 57,843.08/x - Step 3: Cross multiply
136,720.88x = 205,095.96 × 57,843.08 - Step 4: Simplify right side
136,720.88x = 11,863,382,021.96 - Step 5: Solve for x
x = 11,863,382,021.96/136,720.88 - Step 6: Final answer
x = 86,770.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.