Finding the Fourth Proportional to 122,440.74, 168,956.55 and 68,713.44
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Solution
The fourth proportional to 122,440.74, 168,956.55 and 68,713.44 is: 94,818.00
Step by Step Solution
- Step 1: Write the proportion equation
122,440.74 : 168,956.55 = 68,713.44 : x - Step 2: Convert to fraction form
122,440.74/168,956.55 = 68,713.44/x - Step 3: Cross multiply
122,440.74x = 168,956.55 × 68,713.44 - Step 4: Simplify right side
122,440.74x = 11,609,585,338.64 - Step 5: Solve for x
x = 11,609,585,338.64/122,440.74 - Step 6: Final answer
x = 94,818.00
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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.