Finding the Fourth Proportional to 120,529.97, 180,796.50 and 83,079.99
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Solution
The fourth proportional to 120,529.97, 180,796.50 and 83,079.99 is: 124,621.05
Step by Step Solution
- Step 1: Write the proportion equation
120,529.97 : 180,796.50 = 83,079.99 : x - Step 2: Convert to fraction form
120,529.97/180,796.50 = 83,079.99/x - Step 3: Cross multiply
120,529.97x = 180,796.50 × 83,079.99 - Step 4: Simplify right side
120,529.97x = 15,020,571,100.49 - Step 5: Solve for x
x = 15,020,571,100.49/120,529.97 - Step 6: Final answer
x = 124,621.05
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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.