Finding the Fourth Proportional to 125,778.10, 173,576.47 and 69,189.48
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Solution
The fourth proportional to 125,778.10, 173,576.47 and 69,189.48 is: 95,482.96
Step by Step Solution
- Step 1: Write the proportion equation
125,778.10 : 173,576.47 = 69,189.48 : x - Step 2: Convert to fraction form
125,778.10/173,576.47 = 69,189.48/x - Step 3: Cross multiply
125,778.10x = 173,576.47 × 69,189.48 - Step 4: Simplify right side
125,778.10x = 12,009,665,699.54 - Step 5: Solve for x
x = 12,009,665,699.54/125,778.10 - Step 6: Final answer
x = 95,482.96
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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.