Finding the Fourth Proportional to 136,029.26, 204,011.49 and 57,145.02
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Solution
The fourth proportional to 136,029.26, 204,011.49 and 57,145.02 is: 85,703.92
Step by Step Solution
- Step 1: Write the proportion equation
136,029.26 : 204,011.49 = 57,145.02 : x - Step 2: Convert to fraction form
136,029.26/204,011.49 = 57,145.02/x - Step 3: Cross multiply
136,029.26x = 204,011.49 × 57,145.02 - Step 4: Simplify right side
136,029.26x = 11,658,240,676.28 - Step 5: Solve for x
x = 11,658,240,676.28/136,029.26 - Step 6: Final answer
x = 85,703.92
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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.