Finding the Fourth Proportional to 125,705.14, 173,476.06 and 68,347.74
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Solution
The fourth proportional to 125,705.14, 173,476.06 and 68,347.74 is: 94,321.49
Step by Step Solution
- Step 1: Write the proportion equation
125,705.14 : 173,476.06 = 68,347.74 : x - Step 2: Convert to fraction form
125,705.14/173,476.06 = 68,347.74/x - Step 3: Cross multiply
125,705.14x = 173,476.06 × 68,347.74 - Step 4: Simplify right side
125,705.14x = 11,856,696,645.10 - Step 5: Solve for x
x = 11,856,696,645.10/125,705.14 - Step 6: Final answer
x = 94,321.49
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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.