Finding the Fourth Proportional to 192,737.75, 289,237.43 and 68,078.75
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Solution
The fourth proportional to 192,737.75, 289,237.43 and 68,078.75 is: 102,164.32
Step by Step Solution
- Step 1: Write the proportion equation
192,737.75 : 289,237.43 = 68,078.75 : x - Step 2: Convert to fraction form
192,737.75/289,237.43 = 68,078.75/x - Step 3: Cross multiply
192,737.75x = 289,237.43 × 68,078.75 - Step 4: Simplify right side
192,737.75x = 19,690,921,411.62 - Step 5: Solve for x
x = 19,690,921,411.62/192,737.75 - Step 6: Final answer
x = 102,164.32
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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.