Finding the Fourth Proportional to 130,793.26, 196,276.06 and 71,670.44
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Solution
The fourth proportional to 130,793.26, 196,276.06 and 71,670.44 is: 107,552.88
Step by Step Solution
- Step 1: Write the proportion equation
130,793.26 : 196,276.06 = 71,670.44 : x - Step 2: Convert to fraction form
130,793.26/196,276.06 = 71,670.44/x - Step 3: Cross multiply
130,793.26x = 196,276.06 × 71,670.44 - Step 4: Simplify right side
130,793.26x = 14,067,191,581.67 - Step 5: Solve for x
x = 14,067,191,581.67/130,793.26 - Step 6: Final answer
x = 107,552.88
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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.