Finding the Fourth Proportional to 156,832.95, 235,117.18 and 68,019.56
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Solution
The fourth proportional to 156,832.95, 235,117.18 and 68,019.56 is: 101,971.99
Step by Step Solution
- Step 1: Write the proportion equation
156,832.95 : 235,117.18 = 68,019.56 : x - Step 2: Convert to fraction form
156,832.95/235,117.18 = 68,019.56/x - Step 3: Cross multiply
156,832.95x = 235,117.18 × 68,019.56 - Step 4: Simplify right side
156,832.95x = 15,992,568,245.70 - Step 5: Solve for x
x = 15,992,568,245.70/156,832.95 - Step 6: Final answer
x = 101,971.99
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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.