Finding the Fourth Proportional to 94,928.39, 142,133.20 and 68,300.99
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Solution
The fourth proportional to 94,928.39, 142,133.20 and 68,300.99 is: 102,264.86
Step by Step Solution
- Step 1: Write the proportion equation
94,928.39 : 142,133.20 = 68,300.99 : x - Step 2: Convert to fraction form
94,928.39/142,133.20 = 68,300.99/x - Step 3: Cross multiply
94,928.39x = 142,133.20 × 68,300.99 - Step 4: Simplify right side
94,928.39x = 9,707,837,923.45 - Step 5: Solve for x
x = 9,707,837,923.45/94,928.39 - Step 6: Final answer
x = 102,264.86
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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.