Finding the Fourth Proportional to 127,927.74, 191,946.74 and 53,064.68
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Solution
The fourth proportional to 127,927.74, 191,946.74 and 53,064.68 is: 79,619.89
Step by Step Solution
- Step 1: Write the proportion equation
127,927.74 : 191,946.74 = 53,064.68 : x - Step 2: Convert to fraction form
127,927.74/191,946.74 = 53,064.68/x - Step 3: Cross multiply
127,927.74x = 191,946.74 × 53,064.68 - Step 4: Simplify right side
127,927.74x = 10,185,592,335.14 - Step 5: Solve for x
x = 10,185,592,335.14/127,927.74 - Step 6: Final answer
x = 79,619.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.