Finding the Fourth Proportional to 114,596.50, 158,140.14 and 63,609.09
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Solution
The fourth proportional to 114,596.50, 158,140.14 and 63,609.09 is: 87,778.86
Step by Step Solution
- Step 1: Write the proportion equation
114,596.50 : 158,140.14 = 63,609.09 : x - Step 2: Convert to fraction form
114,596.50/158,140.14 = 63,609.09/x - Step 3: Cross multiply
114,596.50x = 158,140.14 × 63,609.09 - Step 4: Simplify right side
114,596.50x = 10,059,150,397.87 - Step 5: Solve for x
x = 10,059,150,397.87/114,596.50 - Step 6: Final answer
x = 87,778.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.