Finding the Fourth Proportional to 125,114.57, 172,658.11 and 68,525.94
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Solution
The fourth proportional to 125,114.57, 172,658.11 and 68,525.94 is: 94,565.80
Step by Step Solution
- Step 1: Write the proportion equation
125,114.57 : 172,658.11 = 68,525.94 : x - Step 2: Convert to fraction form
125,114.57/172,658.11 = 68,525.94/x - Step 3: Cross multiply
125,114.57x = 172,658.11 × 68,525.94 - Step 4: Simplify right side
125,114.57x = 11,831,559,286.37 - Step 5: Solve for x
x = 11,831,559,286.37/125,114.57 - Step 6: Final answer
x = 94,565.80
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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.