Finding the Fourth Proportional to 127,743.58, 176,291.58 and 71,154.94
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Solution
The fourth proportional to 127,743.58, 176,291.58 and 71,154.94 is: 98,196.85
Step by Step Solution
- Step 1: Write the proportion equation
127,743.58 : 176,291.58 = 71,154.94 : x - Step 2: Convert to fraction form
127,743.58/176,291.58 = 71,154.94/x - Step 3: Cross multiply
127,743.58x = 176,291.58 × 71,154.94 - Step 4: Simplify right side
127,743.58x = 12,544,016,797.41 - Step 5: Solve for x
x = 12,544,016,797.41/127,743.58 - Step 6: Final answer
x = 98,196.85
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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.