Finding the Fourth Proportional to 136,299.08, 188,092.74 and 75,868.44
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Solution
The fourth proportional to 136,299.08, 188,092.74 and 75,868.44 is: 104,698.45
Step by Step Solution
- Step 1: Write the proportion equation
136,299.08 : 188,092.74 = 75,868.44 : x - Step 2: Convert to fraction form
136,299.08/188,092.74 = 75,868.44/x - Step 3: Cross multiply
136,299.08x = 188,092.74 × 75,868.44 - Step 4: Simplify right side
136,299.08x = 14,270,302,759.13 - Step 5: Solve for x
x = 14,270,302,759.13/136,299.08 - Step 6: Final answer
x = 104,698.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.