Finding the Fourth Proportional to 121,285.70, 181,896.15 and 37,045.70
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Solution
The fourth proportional to 121,285.70, 181,896.15 and 37,045.70 is: 55,558.65
Step by Step Solution
- Step 1: Write the proportion equation
121,285.70 : 181,896.15 = 37,045.70 : x - Step 2: Convert to fraction form
121,285.70/181,896.15 = 37,045.70/x - Step 3: Cross multiply
121,285.70x = 181,896.15 × 37,045.70 - Step 4: Simplify right side
121,285.70x = 6,738,470,204.06 - Step 5: Solve for x
x = 6,738,470,204.06/121,285.70 - Step 6: Final answer
x = 55,558.65
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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.