Finding the Fourth Proportional to 140,013.99, 209,936.52 and 55,787.18
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Solution
The fourth proportional to 140,013.99, 209,936.52 and 55,787.18 is: 83,647.11
Step by Step Solution
- Step 1: Write the proportion equation
140,013.99 : 209,936.52 = 55,787.18 : x - Step 2: Convert to fraction form
140,013.99/209,936.52 = 55,787.18/x - Step 3: Cross multiply
140,013.99x = 209,936.52 × 55,787.18 - Step 4: Simplify right side
140,013.99x = 11,711,765,380.13 - Step 5: Solve for x
x = 11,711,765,380.13/140,013.99 - Step 6: Final answer
x = 83,647.11
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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.