Finding the Fourth Proportional to 123,201.99, 185,149.26 and 73,291.14
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Solution
The fourth proportional to 123,201.99, 185,149.26 and 73,291.14 is: 110,142.70
Step by Step Solution
- Step 1: Write the proportion equation
123,201.99 : 185,149.26 = 73,291.14 : x - Step 2: Convert to fraction form
123,201.99/185,149.26 = 73,291.14/x - Step 3: Cross multiply
123,201.99x = 185,149.26 × 73,291.14 - Step 4: Simplify right side
123,201.99x = 13,569,800,335.56 - Step 5: Solve for x
x = 13,569,800,335.56/123,201.99 - Step 6: Final answer
x = 110,142.70
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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.