Finding the Fourth Proportional to 119,910.23, 165,471.77 and 66,194.09
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Solution
The fourth proportional to 119,910.23, 165,471.77 and 66,194.09 is: 91,345.44
Step by Step Solution
- Step 1: Write the proportion equation
119,910.23 : 165,471.77 = 66,194.09 : x - Step 2: Convert to fraction form
119,910.23/165,471.77 = 66,194.09/x - Step 3: Cross multiply
119,910.23x = 165,471.77 × 66,194.09 - Step 4: Simplify right side
119,910.23x = 10,953,252,077.51 - Step 5: Solve for x
x = 10,953,252,077.51/119,910.23 - Step 6: Final answer
x = 91,345.44
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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.