Finding the Fourth Proportional to 135,879.10, 202,903.67 and 110,968.60
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Solution
The fourth proportional to 135,879.10, 202,903.67 and 110,968.60 is: 165,705.66
Step by Step Solution
- Step 1: Write the proportion equation
135,879.10 : 202,903.67 = 110,968.60 : x - Step 2: Convert to fraction form
135,879.10/202,903.67 = 110,968.60/x - Step 3: Cross multiply
135,879.10x = 202,903.67 × 110,968.60 - Step 4: Simplify right side
135,879.10x = 22,515,936,194.76 - Step 5: Solve for x
x = 22,515,936,194.76/135,879.10 - Step 6: Final answer
x = 165,705.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.