Finding the Fourth Proportional to 106,260.20, 146,653.26 and 68,643.80
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Solution
The fourth proportional to 106,260.20, 146,653.26 and 68,643.80 is: 94,737.61
Step by Step Solution
- Step 1: Write the proportion equation
106,260.20 : 146,653.26 = 68,643.80 : x - Step 2: Convert to fraction form
106,260.20/146,653.26 = 68,643.80/x - Step 3: Cross multiply
106,260.20x = 146,653.26 × 68,643.80 - Step 4: Simplify right side
106,260.20x = 10,066,837,048.79 - Step 5: Solve for x
x = 10,066,837,048.79/106,260.20 - Step 6: Final answer
x = 94,737.61
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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.