Finding the Fourth Proportional to 127,918.74, 176,473.41 and 93,868.07
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Solution
The fourth proportional to 127,918.74, 176,473.41 and 93,868.07 is: 129,497.98
Step by Step Solution
- Step 1: Write the proportion equation
127,918.74 : 176,473.41 = 93,868.07 : x - Step 2: Convert to fraction form
127,918.74/176,473.41 = 93,868.07/x - Step 3: Cross multiply
127,918.74x = 176,473.41 × 93,868.07 - Step 4: Simplify right side
127,918.74x = 16,565,218,403.02 - Step 5: Solve for x
x = 16,565,218,403.02/127,918.74 - Step 6: Final answer
x = 129,497.98
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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.