Finding the Fourth Proportional to 126,723.42, 190,121.04 and 63,467.15
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Solution
The fourth proportional to 126,723.42, 190,121.04 and 63,467.15 is: 95,218.70
Step by Step Solution
- Step 1: Write the proportion equation
126,723.42 : 190,121.04 = 63,467.15 : x - Step 2: Convert to fraction form
126,723.42/190,121.04 = 63,467.15/x - Step 3: Cross multiply
126,723.42x = 190,121.04 × 63,467.15 - Step 4: Simplify right side
126,723.42x = 12,066,439,613.23 - Step 5: Solve for x
x = 12,066,439,613.23/126,723.42 - Step 6: Final answer
x = 95,218.70
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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.