Finding the Fourth Proportional to 135,712.22, 203,503.62 and 60,832.99
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Solution
The fourth proportional to 135,712.22, 203,503.62 and 60,832.99 is: 91,220.48
Step by Step Solution
- Step 1: Write the proportion equation
135,712.22 : 203,503.62 = 60,832.99 : x - Step 2: Convert to fraction form
135,712.22/203,503.62 = 60,832.99/x - Step 3: Cross multiply
135,712.22x = 203,503.62 × 60,832.99 - Step 4: Simplify right side
135,712.22x = 12,379,733,680.42 - Step 5: Solve for x
x = 12,379,733,680.42/135,712.22 - Step 6: Final answer
x = 91,220.48
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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.