Finding the Fourth Proportional to 130,236.26, 179,727.11 and 70,620.26
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Solution
The fourth proportional to 130,236.26, 179,727.11 and 70,620.26 is: 97,456.54
Step by Step Solution
- Step 1: Write the proportion equation
130,236.26 : 179,727.11 = 70,620.26 : x - Step 2: Convert to fraction form
130,236.26/179,727.11 = 70,620.26/x - Step 3: Cross multiply
130,236.26x = 179,727.11 × 70,620.26 - Step 4: Simplify right side
130,236.26x = 12,692,375,237.25 - Step 5: Solve for x
x = 12,692,375,237.25/130,236.26 - Step 6: Final answer
x = 97,456.54
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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.