Finding the Fourth Proportional to 136,822.80, 204,796.80 and 97,456.80
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Solution
The fourth proportional to 136,822.80, 204,796.80 and 97,456.80 is: 145,873.65
Step by Step Solution
- Step 1: Write the proportion equation
136,822.80 : 204,796.80 = 97,456.80 : x - Step 2: Convert to fraction form
136,822.80/204,796.80 = 97,456.80/x - Step 3: Cross multiply
136,822.80x = 204,796.80 × 97,456.80 - Step 4: Simplify right side
136,822.80x = 19,958,840,778.24 - Step 5: Solve for x
x = 19,958,840,778.24/136,822.80 - Step 6: Final answer
x = 145,873.65
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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.