Finding the Fourth Proportional to 134,249.14, 201,307.92 and 78,108.82
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Solution
The fourth proportional to 134,249.14, 201,307.92 and 78,108.82 is: 117,124.95
Step by Step Solution
- Step 1: Write the proportion equation
134,249.14 : 201,307.92 = 78,108.82 : x - Step 2: Convert to fraction form
134,249.14/201,307.92 = 78,108.82/x - Step 3: Cross multiply
134,249.14x = 201,307.92 × 78,108.82 - Step 4: Simplify right side
134,249.14x = 15,723,924,087.85 - Step 5: Solve for x
x = 15,723,924,087.85/134,249.14 - Step 6: Final answer
x = 117,124.95
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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.