Finding the Fourth Proportional to 127,986.02, 176,652.33 and 77,727.14
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Solution
The fourth proportional to 127,986.02, 176,652.33 and 77,727.14 is: 107,282.66
Step by Step Solution
- Step 1: Write the proportion equation
127,986.02 : 176,652.33 = 77,727.14 : x - Step 2: Convert to fraction form
127,986.02/176,652.33 = 77,727.14/x - Step 3: Cross multiply
127,986.02x = 176,652.33 × 77,727.14 - Step 4: Simplify right side
127,986.02x = 13,730,680,385.24 - Step 5: Solve for x
x = 13,730,680,385.24/127,986.02 - Step 6: Final answer
x = 107,282.66
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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.