Finding the Fourth Proportional to 120,083.99, 180,238.84 and 60,962.09
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Solution
The fourth proportional to 120,083.99, 180,238.84 and 60,962.09 is: 91,500.42
Step by Step Solution
- Step 1: Write the proportion equation
120,083.99 : 180,238.84 = 60,962.09 : x - Step 2: Convert to fraction form
120,083.99/180,238.84 = 60,962.09/x - Step 3: Cross multiply
120,083.99x = 180,238.84 × 60,962.09 - Step 4: Simplify right side
120,083.99x = 10,987,735,331.98 - Step 5: Solve for x
x = 10,987,735,331.98/120,083.99 - Step 6: Final answer
x = 91,500.42
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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.