Finding the Fourth Proportional to 106,651.26, 147,175.92 and 58,903.65
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Solution
The fourth proportional to 106,651.26, 147,175.92 and 58,903.65 is: 81,285.48
Step by Step Solution
- Step 1: Write the proportion equation
106,651.26 : 147,175.92 = 58,903.65 : x - Step 2: Convert to fraction form
106,651.26/147,175.92 = 58,903.65/x - Step 3: Cross multiply
106,651.26x = 147,175.92 × 58,903.65 - Step 4: Simplify right side
106,651.26x = 8,669,198,880.11 - Step 5: Solve for x
x = 8,669,198,880.11/106,651.26 - Step 6: Final answer
x = 81,285.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.