Finding the Fourth Proportional to 127,108.38, 175,406.23 and 69,747.53
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Solution
The fourth proportional to 127,108.38, 175,406.23 and 69,747.53 is: 96,249.75
Step by Step Solution
- Step 1: Write the proportion equation
127,108.38 : 175,406.23 = 69,747.53 : x - Step 2: Convert to fraction form
127,108.38/175,406.23 = 69,747.53/x - Step 3: Cross multiply
127,108.38x = 175,406.23 × 69,747.53 - Step 4: Simplify right side
127,108.38x = 12,234,150,237.71 - Step 5: Solve for x
x = 12,234,150,237.71/127,108.38 - Step 6: Final answer
x = 96,249.75
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1.5x scale
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.