Finding the Fourth Proportional to 126,919.77, 190,379.91 and 32,149.97
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Solution
The fourth proportional to 126,919.77, 190,379.91 and 32,149.97 is: 48,225.02
Step by Step Solution
- Step 1: Write the proportion equation
126,919.77 : 190,379.91 = 32,149.97 : x - Step 2: Convert to fraction form
126,919.77/190,379.91 = 32,149.97/x - Step 3: Cross multiply
126,919.77x = 190,379.91 × 32,149.97 - Step 4: Simplify right side
126,919.77x = 6,120,708,871.05 - Step 5: Solve for x
x = 6,120,708,871.05/126,919.77 - Step 6: Final answer
x = 48,225.02
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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.