Finding the Fourth Proportional to 125,745.24, 173,525.58 and 69,155.40
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Solution
The fourth proportional to 125,745.24, 173,525.58 and 69,155.40 is: 95,432.88
Step by Step Solution
- Step 1: Write the proportion equation
125,745.24 : 173,525.58 = 69,155.40 : x - Step 2: Convert to fraction form
125,745.24/173,525.58 = 69,155.40/x - Step 3: Cross multiply
125,745.24x = 173,525.58 × 69,155.40 - Step 4: Simplify right side
125,745.24x = 12,000,230,895.13 - Step 5: Solve for x
x = 12,000,230,895.13/125,745.24 - Step 6: Final answer
x = 95,432.88
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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.