Finding the Fourth Proportional to 139,759.97, 209,246.27 and 125,588.21
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Solution
The fourth proportional to 139,759.97, 209,246.27 and 125,588.21 is: 188,028.54
Step by Step Solution
- Step 1: Write the proportion equation
139,759.97 : 209,246.27 = 125,588.21 : x - Step 2: Convert to fraction form
139,759.97/209,246.27 = 125,588.21/x - Step 3: Cross multiply
139,759.97x = 209,246.27 × 125,588.21 - Step 4: Simplify right side
139,759.97x = 26,278,862,824.30 - Step 5: Solve for x
x = 26,278,862,824.30/139,759.97 - Step 6: Final answer
x = 188,028.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.