Finding the Fourth Proportional to 165,135.80, 227,883.66 and 89,682.68
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Solution
The fourth proportional to 165,135.80, 227,883.66 and 89,682.68 is: 123,760.07
Step by Step Solution
- Step 1: Write the proportion equation
165,135.80 : 227,883.66 = 89,682.68 : x - Step 2: Convert to fraction form
165,135.80/227,883.66 = 89,682.68/x - Step 3: Cross multiply
165,135.80x = 227,883.66 × 89,682.68 - Step 4: Simplify right side
165,135.80x = 20,437,217,357.01 - Step 5: Solve for x
x = 20,437,217,357.01/165,135.80 - Step 6: Final answer
x = 123,760.07
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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.