Finding the Fourth Proportional to 120,787.68, 166,660.16 and 73,040.03
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Solution
The fourth proportional to 120,787.68, 166,660.16 and 73,040.03 is: 100,779.00
Step by Step Solution
- Step 1: Write the proportion equation
120,787.68 : 166,660.16 = 73,040.03 : x - Step 2: Convert to fraction form
120,787.68/166,660.16 = 73,040.03/x - Step 3: Cross multiply
120,787.68x = 166,660.16 × 73,040.03 - Step 4: Simplify right side
120,787.68x = 12,172,861,887.70 - Step 5: Solve for x
x = 12,172,861,887.70/120,787.68 - Step 6: Final answer
x = 100,779.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.