Finding the Fourth Proportional to 125,471.22, 173,116.62 and 74,441.52
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Solution
The fourth proportional to 125,471.22, 173,116.62 and 74,441.52 is: 102,709.33
Step by Step Solution
- Step 1: Write the proportion equation
125,471.22 : 173,116.62 = 74,441.52 : x - Step 2: Convert to fraction form
125,471.22/173,116.62 = 74,441.52/x - Step 3: Cross multiply
125,471.22x = 173,116.62 × 74,441.52 - Step 4: Simplify right side
125,471.22x = 12,887,064,330.06 - Step 5: Solve for x
x = 12,887,064,330.06/125,471.22 - Step 6: Final answer
x = 102,709.33
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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.