Finding the Fourth Proportional to 136,030.26, 204,012.99 and 57,146.02
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Solution
The fourth proportional to 136,030.26, 204,012.99 and 57,146.02 is: 85,705.42
Step by Step Solution
- Step 1: Write the proportion equation
136,030.26 : 204,012.99 = 57,146.02 : x - Step 2: Convert to fraction form
136,030.26/204,012.99 = 57,146.02/x - Step 3: Cross multiply
136,030.26x = 204,012.99 × 57,146.02 - Step 4: Simplify right side
136,030.26x = 11,658,530,406.80 - Step 5: Solve for x
x = 11,658,530,406.80/136,030.26 - Step 6: Final answer
x = 85,705.42
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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.