Finding the Fourth Proportional to 132,156.55, 198,129.12 and 68,944.96
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Solution
The fourth proportional to 132,156.55, 198,129.12 and 68,944.96 is: 103,362.29
Step by Step Solution
- Step 1: Write the proportion equation
132,156.55 : 198,129.12 = 68,944.96 : x - Step 2: Convert to fraction form
132,156.55/198,129.12 = 68,944.96/x - Step 3: Cross multiply
132,156.55x = 198,129.12 × 68,944.96 - Step 4: Simplify right side
132,156.55x = 13,660,004,253.24 - Step 5: Solve for x
x = 13,660,004,253.24/132,156.55 - Step 6: Final answer
x = 103,362.29
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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.