Finding the Fourth Proportional to 147,880.62, 221,658.12 and 68,929.92
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Solution
The fourth proportional to 147,880.62, 221,658.12 and 68,929.92 is: 103,318.99
Step by Step Solution
- Step 1: Write the proportion equation
147,880.62 : 221,658.12 = 68,929.92 : x - Step 2: Convert to fraction form
147,880.62/221,658.12 = 68,929.92/x - Step 3: Cross multiply
147,880.62x = 221,658.12 × 68,929.92 - Step 4: Simplify right side
147,880.62x = 15,278,876,478.95 - Step 5: Solve for x
x = 15,278,876,478.95/147,880.62 - Step 6: Final answer
x = 103,318.99
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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.