Finding the Fourth Proportional to 131,336.18, 181,252.75 and 73,201.96
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Solution
The fourth proportional to 131,336.18, 181,252.75 and 73,201.96 is: 101,023.62
Step by Step Solution
- Step 1: Write the proportion equation
131,336.18 : 181,252.75 = 73,201.96 : x - Step 2: Convert to fraction form
131,336.18/181,252.75 = 73,201.96/x - Step 3: Cross multiply
131,336.18x = 181,252.75 × 73,201.96 - Step 4: Simplify right side
131,336.18x = 13,268,056,555.39 - Step 5: Solve for x
x = 13,268,056,555.39/131,336.18 - Step 6: Final answer
x = 101,023.62
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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.