Finding the Fourth Proportional to 136,046.08, 204,090.16 and 69,450.08
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Solution
The fourth proportional to 136,046.08, 204,090.16 and 69,450.08 is: 104,185.86
Step by Step Solution
- Step 1: Write the proportion equation
136,046.08 : 204,090.16 = 69,450.08 : x - Step 2: Convert to fraction form
136,046.08/204,090.16 = 69,450.08/x - Step 3: Cross multiply
136,046.08x = 204,090.16 × 69,450.08 - Step 4: Simplify right side
136,046.08x = 14,174,077,939.21 - Step 5: Solve for x
x = 14,174,077,939.21/136,046.08 - Step 6: Final answer
x = 104,185.86
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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.