Finding the Fourth Proportional to 156,836.64, 235,122.70 and 68,023.26
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Solution
The fourth proportional to 156,836.64, 235,122.70 and 68,023.26 is: 101,977.52
Step by Step Solution
- Step 1: Write the proportion equation
156,836.64 : 235,122.70 = 68,023.26 : x - Step 2: Convert to fraction form
156,836.64/235,122.70 = 68,023.26/x - Step 3: Cross multiply
156,836.64x = 235,122.70 × 68,023.26 - Step 4: Simplify right side
156,836.64x = 15,993,811,378.39 - Step 5: Solve for x
x = 15,993,811,378.39/156,836.64 - Step 6: Final answer
x = 101,977.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.