Finding the Fourth Proportional to 134,442.80, 201,664.20 and 125,694.80
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Solution
The fourth proportional to 134,442.80, 201,664.20 and 125,694.80 is: 188,542.20
Step by Step Solution
- Step 1: Write the proportion equation
134,442.80 : 201,664.20 = 125,694.80 : x - Step 2: Convert to fraction form
134,442.80/201,664.20 = 125,694.80/x - Step 3: Cross multiply
134,442.80x = 201,664.20 × 125,694.80 - Step 4: Simplify right side
134,442.80x = 25,348,141,286.16 - Step 5: Solve for x
x = 25,348,141,286.16/134,442.80 - Step 6: Final answer
x = 188,542.20
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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.