Finding the Fourth Proportional to 130,452.62, 180,110.97 and 100,183.64
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Solution
The fourth proportional to 130,452.62, 180,110.97 and 100,183.64 is: 138,319.74
Step by Step Solution
- Step 1: Write the proportion equation
130,452.62 : 180,110.97 = 100,183.64 : x - Step 2: Convert to fraction form
130,452.62/180,110.97 = 100,183.64/x - Step 3: Cross multiply
130,452.62x = 180,110.97 × 100,183.64 - Step 4: Simplify right side
130,452.62x = 18,044,171,677.98 - Step 5: Solve for x
x = 18,044,171,677.98/130,452.62 - Step 6: Final answer
x = 138,319.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.