Finding the Fourth Proportional to 107,238.57, 147,998.24 and 59,491.09
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Solution
The fourth proportional to 107,238.57, 147,998.24 and 59,491.09 is: 82,102.70
Step by Step Solution
- Step 1: Write the proportion equation
107,238.57 : 147,998.24 = 59,491.09 : x - Step 2: Convert to fraction form
107,238.57/147,998.24 = 59,491.09/x - Step 3: Cross multiply
107,238.57x = 147,998.24 × 59,491.09 - Step 4: Simplify right side
107,238.57x = 8,804,576,615.68 - Step 5: Solve for x
x = 8,804,576,615.68/107,238.57 - Step 6: Final answer
x = 82,102.70
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1.5x scale
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.