Finding the Fourth Proportional to 111,619.18, 167,439.39 and 36,739.99
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Solution
The fourth proportional to 111,619.18, 167,439.39 and 36,739.99 is: 55,113.48
Step by Step Solution
- Step 1: Write the proportion equation
111,619.18 : 167,439.39 = 36,739.99 : x - Step 2: Convert to fraction form
111,619.18/167,439.39 = 36,739.99/x - Step 3: Cross multiply
111,619.18x = 167,439.39 × 36,739.99 - Step 4: Simplify right side
111,619.18x = 6,151,721,514.21 - Step 5: Solve for x
x = 6,151,721,514.21/111,619.18 - Step 6: Final answer
x = 55,113.48
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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.