Finding the Fourth Proportional to 119,755.47, 165,243.92 and 69,444.75
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Solution
The fourth proportional to 119,755.47, 165,243.92 and 69,444.75 is: 95,822.95
Step by Step Solution
- Step 1: Write the proportion equation
119,755.47 : 165,243.92 = 69,444.75 : x - Step 2: Convert to fraction form
119,755.47/165,243.92 = 69,444.75/x - Step 3: Cross multiply
119,755.47x = 165,243.92 × 69,444.75 - Step 4: Simplify right side
119,755.47x = 11,475,322,366.20 - Step 5: Solve for x
x = 11,475,322,366.20/119,755.47 - Step 6: Final answer
x = 95,822.95
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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.