Finding the Fourth Proportional to 125,759.99, 173,506.46 and 85,403.77
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Solution
The fourth proportional to 125,759.99, 173,506.46 and 85,403.77 is: 117,828.45
Step by Step Solution
- Step 1: Write the proportion equation
125,759.99 : 173,506.46 = 85,403.77 : x - Step 2: Convert to fraction form
125,759.99/173,506.46 = 85,403.77/x - Step 3: Cross multiply
125,759.99x = 173,506.46 × 85,403.77 - Step 4: Simplify right side
125,759.99x = 14,818,104,942.57 - Step 5: Solve for x
x = 14,818,104,942.57/125,759.99 - Step 6: Final answer
x = 117,828.45
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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.