Finding the Fourth Proportional to 163,884.06, 245,854.17 and 75,145.19
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Solution
The fourth proportional to 163,884.06, 245,854.17 and 75,145.19 is: 112,730.65
Step by Step Solution
- Step 1: Write the proportion equation
163,884.06 : 245,854.17 = 75,145.19 : x - Step 2: Convert to fraction form
163,884.06/245,854.17 = 75,145.19/x - Step 3: Cross multiply
163,884.06x = 245,854.17 × 75,145.19 - Step 4: Simplify right side
163,884.06x = 18,474,757,087.67 - Step 5: Solve for x
x = 18,474,757,087.67/163,884.06 - Step 6: Final answer
x = 112,730.65
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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.