Finding the Fourth Proportional to 136,816.80, 204,787.80 and 97,450.80
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Solution
The fourth proportional to 136,816.80, 204,787.80 and 97,450.80 is: 145,864.65
Step by Step Solution
- Step 1: Write the proportion equation
136,816.80 : 204,787.80 = 97,450.80 : x - Step 2: Convert to fraction form
136,816.80/204,787.80 = 97,450.80/x - Step 3: Cross multiply
136,816.80x = 204,787.80 × 97,450.80 - Step 4: Simplify right side
136,816.80x = 19,956,734,940.24 - Step 5: Solve for x
x = 19,956,734,940.24/136,816.80 - Step 6: Final answer
x = 145,864.65
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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.