Finding the Fourth Proportional to 125,270.96, 172,880.99 and 74,313.86
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Solution
The fourth proportional to 125,270.96, 172,880.99 and 74,313.86 is: 102,557.32
Step by Step Solution
- Step 1: Write the proportion equation
125,270.96 : 172,880.99 = 74,313.86 : x - Step 2: Convert to fraction form
125,270.96/172,880.99 = 74,313.86/x - Step 3: Cross multiply
125,270.96x = 172,880.99 × 74,313.86 - Step 4: Simplify right side
125,270.96x = 12,847,454,305.51 - Step 5: Solve for x
x = 12,847,454,305.51/125,270.96 - Step 6: Final answer
x = 102,557.32
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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.