Finding the Fourth Proportional to 120,058.38, 180,135.99 and 53,452.98
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Solution
The fourth proportional to 120,058.38, 180,135.99 and 53,452.98 is: 80,201.03
Step by Step Solution
- Step 1: Write the proportion equation
120,058.38 : 180,135.99 = 53,452.98 : x - Step 2: Convert to fraction form
120,058.38/180,135.99 = 53,452.98/x - Step 3: Cross multiply
120,058.38x = 180,135.99 × 53,452.98 - Step 4: Simplify right side
120,058.38x = 9,628,805,470.75 - Step 5: Solve for x
x = 9,628,805,470.75/120,058.38 - Step 6: Final answer
x = 80,201.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.