Finding the Fourth Proportional to 134,791.10, 202,186.65 and 103,687.10
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Solution
The fourth proportional to 134,791.10, 202,186.65 and 103,687.10 is: 155,530.65
Step by Step Solution
- Step 1: Write the proportion equation
134,791.10 : 202,186.65 = 103,687.10 : x - Step 2: Convert to fraction form
134,791.10/202,186.65 = 103,687.10/x - Step 3: Cross multiply
134,791.10x = 202,186.65 × 103,687.10 - Step 4: Simplify right side
134,791.10x = 20,964,147,397.22 - Step 5: Solve for x
x = 20,964,147,397.22/134,791.10 - Step 6: Final answer
x = 155,530.65
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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.