Finding the Fourth Proportional to 127,189.05, 190,787.64 and 63,974.65
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Solution
The fourth proportional to 127,189.05, 190,787.64 and 63,974.65 is: 95,964.02
Step by Step Solution
- Step 1: Write the proportion equation
127,189.05 : 190,787.64 = 63,974.65 : x - Step 2: Convert to fraction form
127,189.05/190,787.64 = 63,974.65/x - Step 3: Cross multiply
127,189.05x = 190,787.64 × 63,974.65 - Step 4: Simplify right side
127,189.05x = 12,205,572,134.18 - Step 5: Solve for x
x = 12,205,572,134.18/127,189.05 - Step 6: Final answer
x = 95,964.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.