Finding the Fourth Proportional to 127,783.47, 176,177.37 and 104,728.44
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Solution
The fourth proportional to 127,783.47, 176,177.37 and 104,728.44 is: 144,390.99
Step by Step Solution
- Step 1: Write the proportion equation
127,783.47 : 176,177.37 = 104,728.44 : x - Step 2: Convert to fraction form
127,783.47/176,177.37 = 104,728.44/x - Step 3: Cross multiply
127,783.47x = 176,177.37 × 104,728.44 - Step 4: Simplify right side
127,783.47x = 18,450,781,123.40 - Step 5: Solve for x
x = 18,450,781,123.40/127,783.47 - Step 6: Final answer
x = 144,390.99
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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.