Finding the Fourth Proportional to 107,177.16, 147,912.84 and 59,439.84
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Solution
The fourth proportional to 107,177.16, 147,912.84 and 59,439.84 is: 82,031.62
Step by Step Solution
- Step 1: Write the proportion equation
107,177.16 : 147,912.84 = 59,439.84 : x - Step 2: Convert to fraction form
107,177.16/147,912.84 = 59,439.84/x - Step 3: Cross multiply
107,177.16x = 147,912.84 × 59,439.84 - Step 4: Simplify right side
107,177.16x = 8,791,915,543.55 - Step 5: Solve for x
x = 8,791,915,543.55/107,177.16 - Step 6: Final answer
x = 82,031.62
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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.