Finding the Fourth Proportional to 134,729.36, 201,961.92 and 114,783.92
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Solution
The fourth proportional to 134,729.36, 201,961.92 and 114,783.92 is: 172,063.32
Step by Step Solution
- Step 1: Write the proportion equation
134,729.36 : 201,961.92 = 114,783.92 : x - Step 2: Convert to fraction form
134,729.36/201,961.92 = 114,783.92/x - Step 3: Cross multiply
134,729.36x = 201,961.92 × 114,783.92 - Step 4: Simplify right side
134,729.36x = 23,181,980,868.33 - Step 5: Solve for x
x = 23,181,980,868.33/134,729.36 - Step 6: Final answer
x = 172,063.32
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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.