Finding the Fourth Proportional to 125,507.14, 173,201.98 and 68,923.78
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Solution
The fourth proportional to 125,507.14, 173,201.98 and 68,923.78 is: 95,115.98
Step by Step Solution
- Step 1: Write the proportion equation
125,507.14 : 173,201.98 = 68,923.78 : x - Step 2: Convert to fraction form
125,507.14/173,201.98 = 68,923.78/x - Step 3: Cross multiply
125,507.14x = 173,201.98 × 68,923.78 - Step 4: Simplify right side
125,507.14x = 11,937,735,165.08 - Step 5: Solve for x
x = 11,937,735,165.08/125,507.14 - Step 6: Final answer
x = 95,115.98
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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.