Finding the Fourth Proportional to 120,560.84, 180,586.74 and 96,739.28
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Solution
The fourth proportional to 120,560.84, 180,586.74 and 96,739.28 is: 144,904.69
Step by Step Solution
- Step 1: Write the proportion equation
120,560.84 : 180,586.74 = 96,739.28 : x - Step 2: Convert to fraction form
120,560.84/180,586.74 = 96,739.28/x - Step 3: Cross multiply
120,560.84x = 180,586.74 × 96,739.28 - Step 4: Simplify right side
120,560.84x = 17,469,831,205.15 - Step 5: Solve for x
x = 17,469,831,205.15/120,560.84 - Step 6: Final answer
x = 144,904.69
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1.5x scale
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.