Finding the Fourth Proportional to 108,728.16, 163,092.36 and 29,842.98
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Solution
The fourth proportional to 108,728.16, 163,092.36 and 29,842.98 is: 44,764.50
Step by Step Solution
- Step 1: Write the proportion equation
108,728.16 : 163,092.36 = 29,842.98 : x - Step 2: Convert to fraction form
108,728.16/163,092.36 = 29,842.98/x - Step 3: Cross multiply
108,728.16x = 163,092.36 × 29,842.98 - Step 4: Simplify right side
108,728.16x = 4,867,162,037.63 - Step 5: Solve for x
x = 4,867,162,037.63/108,728.16 - Step 6: Final answer
x = 44,764.50
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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.