Finding the Fourth Proportional to 127,232.24, 175,596.60 and 76,931.12
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Solution
The fourth proportional to 127,232.24, 175,596.60 and 76,931.12 is: 106,174.69
Step by Step Solution
- Step 1: Write the proportion equation
127,232.24 : 175,596.60 = 76,931.12 : x - Step 2: Convert to fraction form
127,232.24/175,596.60 = 76,931.12/x - Step 3: Cross multiply
127,232.24x = 175,596.60 × 76,931.12 - Step 4: Simplify right side
127,232.24x = 13,508,843,106.19 - Step 5: Solve for x
x = 13,508,843,106.19/127,232.24 - Step 6: Final answer
x = 106,174.69
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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.