Finding the Fourth Proportional to 141,754.97, 212,558.63 and 66,855.00
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Solution
The fourth proportional to 141,754.97, 212,558.63 and 66,855.00 is: 100,247.68
Step by Step Solution
- Step 1: Write the proportion equation
141,754.97 : 212,558.63 = 66,855.00 : x - Step 2: Convert to fraction form
141,754.97/212,558.63 = 66,855.00/x - Step 3: Cross multiply
141,754.97x = 212,558.63 × 66,855.00 - Step 4: Simplify right side
141,754.97x = 14,210,607,398.28 - Step 5: Solve for x
x = 14,210,607,398.28/141,754.97 - Step 6: Final answer
x = 100,247.68
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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.