Finding the Fourth Proportional to 107,357.88, 160,952.12 and 67,831.68
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Solution
The fourth proportional to 107,357.88, 160,952.12 and 67,831.68 is: 101,694.00
Step by Step Solution
- Step 1: Write the proportion equation
107,357.88 : 160,952.12 = 67,831.68 : x - Step 2: Convert to fraction form
107,357.88/160,952.12 = 67,831.68/x - Step 3: Cross multiply
107,357.88x = 160,952.12 × 67,831.68 - Step 4: Simplify right side
107,357.88x = 10,917,652,699.16 - Step 5: Solve for x
x = 10,917,652,699.16/107,357.88 - Step 6: Final answer
x = 101,694.00
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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.