Finding the Fourth Proportional to 132,169.23, 182,142.14 and 129,740.31
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Solution
The fourth proportional to 132,169.23, 182,142.14 and 129,740.31 is: 178,794.85
Step by Step Solution
- Step 1: Write the proportion equation
132,169.23 : 182,142.14 = 129,740.31 : x - Step 2: Convert to fraction form
132,169.23/182,142.14 = 129,740.31/x - Step 3: Cross multiply
132,169.23x = 182,142.14 × 129,740.31 - Step 4: Simplify right side
132,169.23x = 23,631,177,058.96 - Step 5: Solve for x
x = 23,631,177,058.96/132,169.23 - Step 6: Final answer
x = 178,794.85
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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.