Finding the Fourth Proportional to 124,176.92, 186,310.74 and 77,469.08
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Solution
The fourth proportional to 124,176.92, 186,310.74 and 77,469.08 is: 116,231.92
Step by Step Solution
- Step 1: Write the proportion equation
124,176.92 : 186,310.74 = 77,469.08 : x - Step 2: Convert to fraction form
124,176.92/186,310.74 = 77,469.08/x - Step 3: Cross multiply
124,176.92x = 186,310.74 × 77,469.08 - Step 4: Simplify right side
124,176.92x = 14,433,321,621.92 - Step 5: Solve for x
x = 14,433,321,621.92/124,176.92 - Step 6: Final answer
x = 116,231.92
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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.