Finding the Fourth Proportional to 135,879.06, 202,903.56 and 110,968.52
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Solution
The fourth proportional to 135,879.06, 202,903.56 and 110,968.52 is: 165,705.50
Step by Step Solution
- Step 1: Write the proportion equation
135,879.06 : 202,903.56 = 110,968.52 : x - Step 2: Convert to fraction form
135,879.06/202,903.56 = 110,968.52/x - Step 3: Cross multiply
135,879.06x = 202,903.56 × 110,968.52 - Step 4: Simplify right side
135,879.06x = 22,515,907,755.93 - Step 5: Solve for x
x = 22,515,907,755.93/135,879.06 - Step 6: Final answer
x = 165,705.50
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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.