Finding the Fourth Proportional to 94,932.39, 142,139.19 and 68,304.99
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Solution
The fourth proportional to 94,932.39, 142,139.19 and 68,304.99 is: 102,270.85
Step by Step Solution
- Step 1: Write the proportion equation
94,932.39 : 142,139.19 = 68,304.99 : x - Step 2: Convert to fraction form
94,932.39/142,139.19 = 68,304.99/x - Step 3: Cross multiply
94,932.39x = 142,139.19 × 68,304.99 - Step 4: Simplify right side
94,932.39x = 9,708,815,951.56 - Step 5: Solve for x
x = 9,708,815,951.56/94,932.39 - Step 6: Final answer
x = 102,270.85
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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.