Finding the Fourth Proportional to 122,140.41, 183,236.94 and 37,898.79
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Solution
The fourth proportional to 122,140.41, 183,236.94 and 37,898.79 is: 56,856.35
Step by Step Solution
- Step 1: Write the proportion equation
122,140.41 : 183,236.94 = 37,898.79 : x - Step 2: Convert to fraction form
122,140.41/183,236.94 = 37,898.79/x - Step 3: Cross multiply
122,140.41x = 183,236.94 × 37,898.79 - Step 4: Simplify right side
122,140.41x = 6,944,458,309.30 - Step 5: Solve for x
x = 6,944,458,309.30/122,140.41 - Step 6: Final answer
x = 56,856.35
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1.5x scale
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.