Finding the Fourth Proportional to 134,682.68, 185,863.40 and 74,255.67
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Solution
The fourth proportional to 134,682.68, 185,863.40 and 74,255.67 is: 102,473.54
Step by Step Solution
- Step 1: Write the proportion equation
134,682.68 : 185,863.40 = 74,255.67 : x - Step 2: Convert to fraction form
134,682.68/185,863.40 = 74,255.67/x - Step 3: Cross multiply
134,682.68x = 185,863.40 × 74,255.67 - Step 4: Simplify right side
134,682.68x = 13,801,410,924.20 - Step 5: Solve for x
x = 13,801,410,924.20/134,682.68 - Step 6: Final answer
x = 102,473.54
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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.