Finding the Fourth Proportional to 121,170.54, 181,741.44 and 32,430.98
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Solution
The fourth proportional to 121,170.54, 181,741.44 and 32,430.98 is: 48,642.62
Step by Step Solution
- Step 1: Write the proportion equation
121,170.54 : 181,741.44 = 32,430.98 : x - Step 2: Convert to fraction form
121,170.54/181,741.44 = 32,430.98/x - Step 3: Cross multiply
121,170.54x = 181,741.44 × 32,430.98 - Step 4: Simplify right side
121,170.54x = 5,894,053,005.81 - Step 5: Solve for x
x = 5,894,053,005.81/121,170.54 - Step 6: Final answer
x = 48,642.62
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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.