Finding the Fourth Proportional to 102,939.62, 154,108.95 and 63,378.02
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Solution
The fourth proportional to 102,939.62, 154,108.95 and 63,378.02 is: 94,882.03
Step by Step Solution
- Step 1: Write the proportion equation
102,939.62 : 154,108.95 = 63,378.02 : x - Step 2: Convert to fraction form
102,939.62/154,108.95 = 63,378.02/x - Step 3: Cross multiply
102,939.62x = 154,108.95 × 63,378.02 - Step 4: Simplify right side
102,939.62x = 9,767,120,115.28 - Step 5: Solve for x
x = 9,767,120,115.28/102,939.62 - Step 6: Final answer
x = 94,882.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.