Finding the Fourth Proportional to 121,183.52, 167,238.16 and 70,195.44
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Solution
The fourth proportional to 121,183.52, 167,238.16 and 70,195.44 is: 96,872.55
Step by Step Solution
- Step 1: Write the proportion equation
121,183.52 : 167,238.16 = 70,195.44 : x - Step 2: Convert to fraction form
121,183.52/167,238.16 = 70,195.44/x - Step 3: Cross multiply
121,183.52x = 167,238.16 × 70,195.44 - Step 4: Simplify right side
121,183.52x = 11,739,356,225.99 - Step 5: Solve for x
x = 11,739,356,225.99/121,183.52 - Step 6: Final answer
x = 96,872.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.