Finding the Fourth Proportional to 127,234.24, 175,599.36 and 76,933.12
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Solution
The fourth proportional to 127,234.24, 175,599.36 and 76,933.12 is: 106,177.45
Step by Step Solution
- Step 1: Write the proportion equation
127,234.24 : 175,599.36 = 76,933.12 : x - Step 2: Convert to fraction form
127,234.24/175,599.36 = 76,933.12/x - Step 3: Cross multiply
127,234.24x = 175,599.36 × 76,933.12 - Step 4: Simplify right side
127,234.24x = 13,509,406,634.80 - Step 5: Solve for x
x = 13,509,406,634.80/127,234.24 - Step 6: Final answer
x = 106,177.45
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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.