Finding the Fourth Proportional to 158,160.40, 237,163.80 and 87,965.20
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Solution
The fourth proportional to 158,160.40, 237,163.80 and 87,965.20 is: 131,905.09
Step by Step Solution
- Step 1: Write the proportion equation
158,160.40 : 237,163.80 = 87,965.20 : x - Step 2: Convert to fraction form
158,160.40/237,163.80 = 87,965.20/x - Step 3: Cross multiply
158,160.40x = 237,163.80 × 87,965.20 - Step 4: Simplify right side
158,160.40x = 20,862,161,099.76 - Step 5: Solve for x
x = 20,862,161,099.76/158,160.40 - Step 6: Final answer
x = 131,905.09
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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.