Finding the Fourth Proportional to 122,595.60, 169,120.23 and 106,440.94
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Solution
The fourth proportional to 122,595.60, 169,120.23 and 106,440.94 is: 146,834.92
Step by Step Solution
- Step 1: Write the proportion equation
122,595.60 : 169,120.23 = 106,440.94 : x - Step 2: Convert to fraction form
122,595.60/169,120.23 = 106,440.94/x - Step 3: Cross multiply
122,595.60x = 169,120.23 × 106,440.94 - Step 4: Simplify right side
122,595.60x = 18,001,315,414.53 - Step 5: Solve for x
x = 18,001,315,414.53/122,595.60 - Step 6: Final answer
x = 146,834.92
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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.