Finding the Fourth Proportional to 127,508.02, 175,958.62 and 70,143.99
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Solution
The fourth proportional to 127,508.02, 175,958.62 and 70,143.99 is: 96,797.36
Step by Step Solution
- Step 1: Write the proportion equation
127,508.02 : 175,958.62 = 70,143.99 : x - Step 2: Convert to fraction form
127,508.02/175,958.62 = 70,143.99/x - Step 3: Cross multiply
127,508.02x = 175,958.62 × 70,143.99 - Step 4: Simplify right side
127,508.02x = 12,342,439,330.97 - Step 5: Solve for x
x = 12,342,439,330.97/127,508.02 - Step 6: Final answer
x = 96,797.36
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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.