Finding the Fourth Proportional to 108,785.76, 163,157.28 and 29,879.68
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Solution
The fourth proportional to 108,785.76, 163,157.28 and 29,879.68 is: 44,813.65
Step by Step Solution
- Step 1: Write the proportion equation
108,785.76 : 163,157.28 = 29,879.68 : x - Step 2: Convert to fraction form
108,785.76/163,157.28 = 29,879.68/x - Step 3: Cross multiply
108,785.76x = 163,157.28 × 29,879.68 - Step 4: Simplify right side
108,785.76x = 4,875,087,316.07 - Step 5: Solve for x
x = 4,875,087,316.07/108,785.76 - Step 6: Final answer
x = 44,813.65
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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.