Finding the Fourth Proportional to 163,539.92, 225,778.12 and 106,230.80
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Solution
The fourth proportional to 163,539.92, 225,778.12 and 106,230.80 is: 146,658.93
Step by Step Solution
- Step 1: Write the proportion equation
163,539.92 : 225,778.12 = 106,230.80 : x - Step 2: Convert to fraction form
163,539.92/225,778.12 = 106,230.80/x - Step 3: Cross multiply
163,539.92x = 225,778.12 × 106,230.80 - Step 4: Simplify right side
163,539.92x = 23,984,590,310.10 - Step 5: Solve for x
x = 23,984,590,310.10/163,539.92 - Step 6: Final answer
x = 146,658.93
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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.