Finding the Fourth Proportional to 135,557.77, 203,136.84 and 75,503.55
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Solution
The fourth proportional to 135,557.77, 203,136.84 and 75,503.55 is: 113,144.03
Step by Step Solution
- Step 1: Write the proportion equation
135,557.77 : 203,136.84 = 75,503.55 : x - Step 2: Convert to fraction form
135,557.77/203,136.84 = 75,503.55/x - Step 3: Cross multiply
135,557.77x = 203,136.84 × 75,503.55 - Step 4: Simplify right side
135,557.77x = 15,337,552,555.78 - Step 5: Solve for x
x = 15,337,552,555.78/135,557.77 - Step 6: Final answer
x = 113,144.03
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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.