Finding the Fourth Proportional to 135,960.10, 203,969.33 and 57,028.84
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Solution
The fourth proportional to 135,960.10, 203,969.33 and 57,028.84 is: 85,555.50
Step by Step Solution
- Step 1: Write the proportion equation
135,960.10 : 203,969.33 = 57,028.84 : x - Step 2: Convert to fraction form
135,960.10/203,969.33 = 57,028.84/x - Step 3: Cross multiply
135,960.10x = 203,969.33 × 57,028.84 - Step 4: Simplify right side
135,960.10x = 11,632,134,285.48 - Step 5: Solve for x
x = 11,632,134,285.48/135,960.10 - Step 6: Final answer
x = 85,555.50
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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.