Finding the Fourth Proportional to 131,911.23, 197,393.86 and 114,202.79
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Solution
The fourth proportional to 131,911.23, 197,393.86 and 114,202.79 is: 170,894.70
Step by Step Solution
- Step 1: Write the proportion equation
131,911.23 : 197,393.86 = 114,202.79 : x - Step 2: Convert to fraction form
131,911.23/197,393.86 = 114,202.79/x - Step 3: Cross multiply
131,911.23x = 197,393.86 × 114,202.79 - Step 4: Simplify right side
131,911.23x = 22,542,929,748.85 - Step 5: Solve for x
x = 22,542,929,748.85/131,911.23 - Step 6: Final answer
x = 170,894.70
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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.