Finding the Fourth Proportional to 136,313.99, 204,512.70 and 69,801.19
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Solution
The fourth proportional to 136,313.99, 204,512.70 and 69,801.19 is: 104,723.15
Step by Step Solution
- Step 1: Write the proportion equation
136,313.99 : 204,512.70 = 69,801.19 : x - Step 2: Convert to fraction form
136,313.99/204,512.70 = 69,801.19/x - Step 3: Cross multiply
136,313.99x = 204,512.70 × 69,801.19 - Step 4: Simplify right side
136,313.99x = 14,275,230,338.34 - Step 5: Solve for x
x = 14,275,230,338.34/136,313.99 - Step 6: Final answer
x = 104,723.15
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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.