Finding the Fourth Proportional to 136,148.13, 204,249.86 and 47,408.55
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Solution
The fourth proportional to 136,148.13, 204,249.86 and 47,408.55 is: 71,122.46
Step by Step Solution
- Step 1: Write the proportion equation
136,148.13 : 204,249.86 = 47,408.55 : x - Step 2: Convert to fraction form
136,148.13/204,249.86 = 47,408.55/x - Step 3: Cross multiply
136,148.13x = 204,249.86 × 47,408.55 - Step 4: Simplify right side
136,148.13x = 9,683,189,700.30 - Step 5: Solve for x
x = 9,683,189,700.30/136,148.13 - Step 6: Final answer
x = 71,122.46
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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.