Finding the Fourth Proportional to 156,942.10, 235,024.35 and 100,695.70
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Solution
The fourth proportional to 156,942.10, 235,024.35 and 100,695.70 is: 150,794.09
Step by Step Solution
- Step 1: Write the proportion equation
156,942.10 : 235,024.35 = 100,695.70 : x - Step 2: Convert to fraction form
156,942.10/235,024.35 = 100,695.70/x - Step 3: Cross multiply
156,942.10x = 235,024.35 × 100,695.70 - Step 4: Simplify right side
156,942.10x = 23,665,941,440.30 - Step 5: Solve for x
x = 23,665,941,440.30/156,942.10 - Step 6: Final answer
x = 150,794.09
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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.