Finding the Fourth Proportional to 135,769.64, 203,655.96 and 41,000.63
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Solution
The fourth proportional to 135,769.64, 203,655.96 and 41,000.63 is: 61,501.40
Step by Step Solution
- Step 1: Write the proportion equation
135,769.64 : 203,655.96 = 41,000.63 : x - Step 2: Convert to fraction form
135,769.64/203,655.96 = 41,000.63/x - Step 3: Cross multiply
135,769.64x = 203,655.96 × 41,000.63 - Step 4: Simplify right side
135,769.64x = 8,350,023,554.25 - Step 5: Solve for x
x = 8,350,023,554.25/135,769.64 - Step 6: Final answer
x = 61,501.40
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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.