Finding the Fourth Proportional to 163,734.90, 245,676.87 and 79,449.54
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Solution
The fourth proportional to 163,734.90, 245,676.87 and 79,449.54 is: 119,210.47
Step by Step Solution
- Step 1: Write the proportion equation
163,734.90 : 245,676.87 = 79,449.54 : x - Step 2: Convert to fraction form
163,734.90/245,676.87 = 79,449.54/x - Step 3: Cross multiply
163,734.90x = 245,676.87 × 79,449.54 - Step 4: Simplify right side
163,734.90x = 19,518,914,310.14 - Step 5: Solve for x
x = 19,518,914,310.14/163,734.90 - Step 6: Final answer
x = 119,210.47
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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.