Finding the Fourth Proportional to 130,087.44, 179,524.14 and 73,497.60
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Solution
The fourth proportional to 130,087.44, 179,524.14 and 73,497.60 is: 101,428.65
Step by Step Solution
- Step 1: Write the proportion equation
130,087.44 : 179,524.14 = 73,497.60 : x - Step 2: Convert to fraction form
130,087.44/179,524.14 = 73,497.60/x - Step 3: Cross multiply
130,087.44x = 179,524.14 × 73,497.60 - Step 4: Simplify right side
130,087.44x = 13,194,593,432.06 - Step 5: Solve for x
x = 13,194,593,432.06/130,087.44 - Step 6: Final answer
x = 101,428.65
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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.