Finding the Fourth Proportional to 126,896.34, 190,345.83 and 51,029.99
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Solution
The fourth proportional to 126,896.34, 190,345.83 and 51,029.99 is: 76,545.52
Step by Step Solution
- Step 1: Write the proportion equation
126,896.34 : 190,345.83 = 51,029.99 : x - Step 2: Convert to fraction form
126,896.34/190,345.83 = 51,029.99/x - Step 3: Cross multiply
126,896.34x = 190,345.83 × 51,029.99 - Step 4: Simplify right side
126,896.34x = 9,713,345,801.44 - Step 5: Solve for x
x = 9,713,345,801.44/126,896.34 - Step 6: Final answer
x = 76,545.52
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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.