Finding the Fourth Proportional to 123,368.68, 170,256.65 and 69,634.09
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Solution
The fourth proportional to 123,368.68, 170,256.65 and 69,634.09 is: 96,099.49
Step by Step Solution
- Step 1: Write the proportion equation
123,368.68 : 170,256.65 = 69,634.09 : x - Step 2: Convert to fraction form
123,368.68/170,256.65 = 69,634.09/x - Step 3: Cross multiply
123,368.68x = 170,256.65 × 69,634.09 - Step 4: Simplify right side
123,368.68x = 11,855,666,889.20 - Step 5: Solve for x
x = 11,855,666,889.20/123,368.68 - Step 6: Final answer
x = 96,099.49
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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.