Finding the Fourth Proportional to 125,460.77, 173,124.36 and 74,464.79
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Solution
The fourth proportional to 125,460.77, 173,124.36 and 74,464.79 is: 102,754.58
Step by Step Solution
- Step 1: Write the proportion equation
125,460.77 : 173,124.36 = 74,464.79 : x - Step 2: Convert to fraction form
125,460.77/173,124.36 = 74,464.79/x - Step 3: Cross multiply
125,460.77x = 173,124.36 × 74,464.79 - Step 4: Simplify right side
125,460.77x = 12,891,669,544.10 - Step 5: Solve for x
x = 12,891,669,544.10/125,460.77 - Step 6: Final answer
x = 102,754.58
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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.