Finding the Fourth Proportional to 132,893.04, 199,339.56 and 91,213.68
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Solution
The fourth proportional to 132,893.04, 199,339.56 and 91,213.68 is: 136,820.52
Step by Step Solution
- Step 1: Write the proportion equation
132,893.04 : 199,339.56 = 91,213.68 : x - Step 2: Convert to fraction form
132,893.04/199,339.56 = 91,213.68/x - Step 3: Cross multiply
132,893.04x = 199,339.56 × 91,213.68 - Step 4: Simplify right side
132,893.04x = 18,182,494,837.18 - Step 5: Solve for x
x = 18,182,494,837.18/132,893.04 - Step 6: Final answer
x = 136,820.52
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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.