Finding the Fourth Proportional to 125,801.60, 188,546.88 and 63,438.08
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Solution
The fourth proportional to 125,801.60, 188,546.88 and 63,438.08 is: 95,078.70
Step by Step Solution
- Step 1: Write the proportion equation
125,801.60 : 188,546.88 = 63,438.08 : x - Step 2: Convert to fraction form
125,801.60/188,546.88 = 63,438.08/x - Step 3: Cross multiply
125,801.60x = 188,546.88 × 63,438.08 - Step 4: Simplify right side
125,801.60x = 11,961,052,057.19 - Step 5: Solve for x
x = 11,961,052,057.19/125,801.60 - Step 6: Final answer
x = 95,078.70
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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.