Finding the Fourth Proportional to 125,497.72, 173,153.10 and 74,468.08
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Solution
The fourth proportional to 125,497.72, 173,153.10 and 74,468.08 is: 102,745.92
Step by Step Solution
- Step 1: Write the proportion equation
125,497.72 : 173,153.10 = 74,468.08 : x - Step 2: Convert to fraction form
125,497.72/173,153.10 = 74,468.08/x - Step 3: Cross multiply
125,497.72x = 173,153.10 × 74,468.08 - Step 4: Simplify right side
125,497.72x = 12,894,378,903.05 - Step 5: Solve for x
x = 12,894,378,903.05/125,497.72 - Step 6: Final answer
x = 102,745.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.