Finding the Fourth Proportional to 127,102.05, 175,394.95 and 69,739.94
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Solution
The fourth proportional to 127,102.05, 175,394.95 and 69,739.94 is: 96,237.89
Step by Step Solution
- Step 1: Write the proportion equation
127,102.05 : 175,394.95 = 69,739.94 : x - Step 2: Convert to fraction form
127,102.05/175,394.95 = 69,739.94/x - Step 3: Cross multiply
127,102.05x = 175,394.95 × 69,739.94 - Step 4: Simplify right side
127,102.05x = 12,232,032,412.33 - Step 5: Solve for x
x = 12,232,032,412.33/127,102.05 - Step 6: Final answer
x = 96,237.89
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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.