Finding the Fourth Proportional to 127,101.70, 175,394.40 and 69,739.70
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Solution
The fourth proportional to 127,101.70, 175,394.40 and 69,739.70 is: 96,237.52
Step by Step Solution
- Step 1: Write the proportion equation
127,101.70 : 175,394.40 = 69,739.70 : x - Step 2: Convert to fraction form
127,101.70/175,394.40 = 69,739.70/x - Step 3: Cross multiply
127,101.70x = 175,394.40 × 69,739.70 - Step 4: Simplify right side
127,101.70x = 12,231,952,837.68 - Step 5: Solve for x
x = 12,231,952,837.68/127,101.70 - Step 6: Final answer
x = 96,237.52
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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.