Finding the Fourth Proportional to 162,912.04, 224,824.98 and 91,292.68
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Solution
The fourth proportional to 162,912.04, 224,824.98 and 91,292.68 is: 125,987.47
Step by Step Solution
- Step 1: Write the proportion equation
162,912.04 : 224,824.98 = 91,292.68 : x - Step 2: Convert to fraction form
162,912.04/224,824.98 = 91,292.68/x - Step 3: Cross multiply
162,912.04x = 224,824.98 × 91,292.68 - Step 4: Simplify right side
162,912.04x = 20,524,874,955.15 - Step 5: Solve for x
x = 20,524,874,955.15/162,912.04 - Step 6: Final answer
x = 125,987.47
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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.