Finding the Fourth Proportional to 130,528.92, 195,442.02 and 68,067.48
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Solution
The fourth proportional to 130,528.92, 195,442.02 and 68,067.48 is: 101,917.99
Step by Step Solution
- Step 1: Write the proportion equation
130,528.92 : 195,442.02 = 68,067.48 : x - Step 2: Convert to fraction form
130,528.92/195,442.02 = 68,067.48/x - Step 3: Cross multiply
130,528.92x = 195,442.02 × 68,067.48 - Step 4: Simplify right side
130,528.92x = 13,303,245,787.51 - Step 5: Solve for x
x = 13,303,245,787.51/130,528.92 - Step 6: Final answer
x = 101,917.99
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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.