Finding the Fourth Proportional to 126,613.14, 189,919.71 and 33,118.08
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Solution
The fourth proportional to 126,613.14, 189,919.71 and 33,118.08 is: 49,677.12
Step by Step Solution
- Step 1: Write the proportion equation
126,613.14 : 189,919.71 = 33,118.08 : x - Step 2: Convert to fraction form
126,613.14/189,919.71 = 33,118.08/x - Step 3: Cross multiply
126,613.14x = 189,919.71 × 33,118.08 - Step 4: Simplify right side
126,613.14x = 6,289,776,149.36 - Step 5: Solve for x
x = 6,289,776,149.36/126,613.14 - Step 6: Final answer
x = 49,677.12
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1.5x scale
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.