Finding the Fourth Proportional to 136,021.80, 204,032.70 and 122,243.70
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Solution
The fourth proportional to 136,021.80, 204,032.70 and 122,243.70 is: 183,365.55
Step by Step Solution
- Step 1: Write the proportion equation
136,021.80 : 204,032.70 = 122,243.70 : x - Step 2: Convert to fraction form
136,021.80/204,032.70 = 122,243.70/x - Step 3: Cross multiply
136,021.80x = 204,032.70 × 122,243.70 - Step 4: Simplify right side
136,021.80x = 24,941,712,168.99 - Step 5: Solve for x
x = 24,941,712,168.99/136,021.80 - Step 6: Final answer
x = 183,365.55
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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.