Finding the Fourth Proportional to 114,769.26, 158,330.70 and 76,491.63
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Solution
The fourth proportional to 114,769.26, 158,330.70 and 76,491.63 is: 105,524.54
Step by Step Solution
- Step 1: Write the proportion equation
114,769.26 : 158,330.70 = 76,491.63 : x - Step 2: Convert to fraction form
114,769.26/158,330.70 = 76,491.63/x - Step 3: Cross multiply
114,769.26x = 158,330.70 × 76,491.63 - Step 4: Simplify right side
114,769.26x = 12,110,973,322.04 - Step 5: Solve for x
x = 12,110,973,322.04/114,769.26 - Step 6: Final answer
x = 105,524.54
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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.