Finding the Fourth Proportional to 125,465.12, 173,146.32 and 68,880.80
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Solution
The fourth proportional to 125,465.12, 173,146.32 and 68,880.80 is: 95,057.95
Step by Step Solution
- Step 1: Write the proportion equation
125,465.12 : 173,146.32 = 68,880.80 : x - Step 2: Convert to fraction form
125,465.12/173,146.32 = 68,880.80/x - Step 3: Cross multiply
125,465.12x = 173,146.32 × 68,880.80 - Step 4: Simplify right side
125,465.12x = 11,926,457,038.66 - Step 5: Solve for x
x = 11,926,457,038.66/125,465.12 - Step 6: Final answer
x = 95,057.95
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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.