Finding the Fourth Proportional to 138,843.08, 208,097.68 and 63,859.90
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Solution
The fourth proportional to 138,843.08, 208,097.68 and 63,859.90 is: 95,713.07
Step by Step Solution
- Step 1: Write the proportion equation
138,843.08 : 208,097.68 = 63,859.90 : x - Step 2: Convert to fraction form
138,843.08/208,097.68 = 63,859.90/x - Step 3: Cross multiply
138,843.08x = 208,097.68 × 63,859.90 - Step 4: Simplify right side
138,843.08x = 13,289,097,035.03 - Step 5: Solve for x
x = 13,289,097,035.03/138,843.08 - Step 6: Final answer
x = 95,713.07
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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.