Finding the Fourth Proportional to 125,693.19, 173,454.53 and 68,333.94
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Solution
The fourth proportional to 125,693.19, 173,454.53 and 68,333.94 is: 94,299.71
Step by Step Solution
- Step 1: Write the proportion equation
125,693.19 : 173,454.53 = 68,333.94 : x - Step 2: Convert to fraction form
125,693.19/173,454.53 = 68,333.94/x - Step 3: Cross multiply
125,693.19x = 173,454.53 × 68,333.94 - Step 4: Simplify right side
125,693.19x = 11,852,831,104.08 - Step 5: Solve for x
x = 11,852,831,104.08/125,693.19 - Step 6: Final answer
x = 94,299.71
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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.