Finding the Fourth Proportional to 129,954.96, 194,823.09 and 63,360.81
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Solution
The fourth proportional to 129,954.96, 194,823.09 and 63,360.81 is: 94,987.90
Step by Step Solution
- Step 1: Write the proportion equation
129,954.96 : 194,823.09 = 63,360.81 : x - Step 2: Convert to fraction form
129,954.96/194,823.09 = 63,360.81/x - Step 3: Cross multiply
129,954.96x = 194,823.09 × 63,360.81 - Step 4: Simplify right side
129,954.96x = 12,344,148,789.10 - Step 5: Solve for x
x = 12,344,148,789.10/129,954.96 - Step 6: Final answer
x = 94,987.90
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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.