Finding the Fourth Proportional to 106,453.18, 146,907.54 and 68,793.04
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Solution
The fourth proportional to 106,453.18, 146,907.54 and 68,793.04 is: 94,935.79
Step by Step Solution
- Step 1: Write the proportion equation
106,453.18 : 146,907.54 = 68,793.04 : x - Step 2: Convert to fraction form
106,453.18/146,907.54 = 68,793.04/x - Step 3: Cross multiply
106,453.18x = 146,907.54 × 68,793.04 - Step 4: Simplify right side
106,453.18x = 10,106,216,275.52 - Step 5: Solve for x
x = 10,106,216,275.52/106,453.18 - Step 6: Final answer
x = 94,935.79
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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.