Finding the Fourth Proportional to 130,626.08, 195,939.12 and 51,795.80
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Solution
The fourth proportional to 130,626.08, 195,939.12 and 51,795.80 is: 77,693.70
Step by Step Solution
- Step 1: Write the proportion equation
130,626.08 : 195,939.12 = 51,795.80 : x - Step 2: Convert to fraction form
130,626.08/195,939.12 = 51,795.80/x - Step 3: Cross multiply
130,626.08x = 195,939.12 × 51,795.80 - Step 4: Simplify right side
130,626.08x = 10,148,823,471.70 - Step 5: Solve for x
x = 10,148,823,471.70/130,626.08 - Step 6: Final answer
x = 77,693.70
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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.