Finding the Fourth Proportional to 114,708.49, 158,292.36 and 63,724.53
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Solution
The fourth proportional to 114,708.49, 158,292.36 and 63,724.53 is: 87,936.88
Step by Step Solution
- Step 1: Write the proportion equation
114,708.49 : 158,292.36 = 63,724.53 : x - Step 2: Convert to fraction form
114,708.49/158,292.36 = 63,724.53/x - Step 3: Cross multiply
114,708.49x = 158,292.36 × 63,724.53 - Step 4: Simplify right side
114,708.49x = 10,087,106,243.59 - Step 5: Solve for x
x = 10,087,106,243.59/114,708.49 - Step 6: Final answer
x = 87,936.88
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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.