Finding the Fourth Proportional to 156,919.70, 235,033.95 and 136,183.70
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Solution
The fourth proportional to 156,919.70, 235,033.95 and 136,183.70 is: 203,975.62
Step by Step Solution
- Step 1: Write the proportion equation
156,919.70 : 235,033.95 = 136,183.70 : x - Step 2: Convert to fraction form
156,919.70/235,033.95 = 136,183.70/x - Step 3: Cross multiply
156,919.70x = 235,033.95 × 136,183.70 - Step 4: Simplify right side
156,919.70x = 32,007,792,936.62 - Step 5: Solve for x
x = 32,007,792,936.62/156,919.70 - Step 6: Final answer
x = 203,975.62
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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.