Finding the Fourth Proportional to 146,789.70, 220,184.55 and 68,057.70
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Solution
The fourth proportional to 146,789.70, 220,184.55 and 68,057.70 is: 102,086.55
Step by Step Solution
- Step 1: Write the proportion equation
146,789.70 : 220,184.55 = 68,057.70 : x - Step 2: Convert to fraction form
146,789.70/220,184.55 = 68,057.70/x - Step 3: Cross multiply
146,789.70x = 220,184.55 × 68,057.70 - Step 4: Simplify right side
146,789.70x = 14,985,254,048.54 - Step 5: Solve for x
x = 14,985,254,048.54/146,789.70 - Step 6: Final answer
x = 102,086.55
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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.