Finding the Fourth Proportional to 111,255.08, 166,590.99 and 76,263.08
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Solution
The fourth proportional to 111,255.08, 166,590.99 and 76,263.08 is: 114,194.71
Step by Step Solution
- Step 1: Write the proportion equation
111,255.08 : 166,590.99 = 76,263.08 : x - Step 2: Convert to fraction form
111,255.08/166,590.99 = 76,263.08/x - Step 3: Cross multiply
111,255.08x = 166,590.99 × 76,263.08 - Step 4: Simplify right side
111,255.08x = 12,704,741,997.65 - Step 5: Solve for x
x = 12,704,741,997.65/111,255.08 - Step 6: Final answer
x = 114,194.71
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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.