Finding the Fourth Proportional to 120,778.74, 181,168.11 and 32,039.19
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Solution
The fourth proportional to 120,778.74, 181,168.11 and 32,039.19 is: 48,058.79
Step by Step Solution
- Step 1: Write the proportion equation
120,778.74 : 181,168.11 = 32,039.19 : x - Step 2: Convert to fraction form
120,778.74/181,168.11 = 32,039.19/x - Step 3: Cross multiply
120,778.74x = 181,168.11 × 32,039.19 - Step 4: Simplify right side
120,778.74x = 5,804,479,498.23 - Step 5: Solve for x
x = 5,804,479,498.23/120,778.74 - Step 6: Final answer
x = 48,058.79
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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.