Finding the Fourth Proportional to 118,450.08, 163,414.32 and 68,122.08
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Solution
The fourth proportional to 118,450.08, 163,414.32 and 68,122.08 is: 93,981.56
Step by Step Solution
- Step 1: Write the proportion equation
118,450.08 : 163,414.32 = 68,122.08 : x - Step 2: Convert to fraction form
118,450.08/163,414.32 = 68,122.08/x - Step 3: Cross multiply
118,450.08x = 163,414.32 × 68,122.08 - Step 4: Simplify right side
118,450.08x = 11,132,123,380.19 - Step 5: Solve for x
x = 11,132,123,380.19/118,450.08 - Step 6: Final answer
x = 93,981.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.