Finding the Fourth Proportional to 125,486.06, 173,171.07 and 68,901.08
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Solution
The fourth proportional to 125,486.06, 173,171.07 and 68,901.08 is: 95,083.66
Step by Step Solution
- Step 1: Write the proportion equation
125,486.06 : 173,171.07 = 68,901.08 : x - Step 2: Convert to fraction form
125,486.06/173,171.07 = 68,901.08/x - Step 3: Cross multiply
125,486.06x = 173,171.07 × 68,901.08 - Step 4: Simplify right side
125,486.06x = 11,931,672,881.90 - Step 5: Solve for x
x = 11,931,672,881.90/125,486.06 - Step 6: Final answer
x = 95,083.66
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1.5x scale
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.