Finding the Fourth Proportional to 127,250.24, 175,621.44 and 76,949.12
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Solution
The fourth proportional to 127,250.24, 175,621.44 and 76,949.12 is: 106,199.53
Step by Step Solution
- Step 1: Write the proportion equation
127,250.24 : 175,621.44 = 76,949.12 : x - Step 2: Convert to fraction form
127,250.24/175,621.44 = 76,949.12/x - Step 3: Cross multiply
127,250.24x = 175,621.44 × 76,949.12 - Step 4: Simplify right side
127,250.24x = 13,513,915,261.13 - Step 5: Solve for x
x = 13,513,915,261.13/127,250.24 - Step 6: Final answer
x = 106,199.53
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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.