Finding the Fourth Proportional to 135,408.08, 203,109.96 and 36,912.08
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Solution
The fourth proportional to 135,408.08, 203,109.96 and 36,912.08 is: 55,367.53
Step by Step Solution
- Step 1: Write the proportion equation
135,408.08 : 203,109.96 = 36,912.08 : x - Step 2: Convert to fraction form
135,408.08/203,109.96 = 36,912.08/x - Step 3: Cross multiply
135,408.08x = 203,109.96 × 36,912.08 - Step 4: Simplify right side
135,408.08x = 7,497,211,092.32 - Step 5: Solve for x
x = 7,497,211,092.32/135,408.08 - Step 6: Final answer
x = 55,367.53
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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.