Finding the Fourth Proportional to 136,098.36, 187,836.17 and 97,984.07
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Solution
The fourth proportional to 136,098.36, 187,836.17 and 97,984.07 is: 135,232.72
Step by Step Solution
- Step 1: Write the proportion equation
136,098.36 : 187,836.17 = 97,984.07 : x - Step 2: Convert to fraction form
136,098.36/187,836.17 = 97,984.07/x - Step 3: Cross multiply
136,098.36x = 187,836.17 × 97,984.07 - Step 4: Simplify right side
136,098.36x = 18,404,951,000.71 - Step 5: Solve for x
x = 18,404,951,000.71/136,098.36 - Step 6: Final answer
x = 135,232.72
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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.