Finding the Fourth Proportional to 130,187.68, 195,149.40 and 51,357.76
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Solution
The fourth proportional to 130,187.68, 195,149.40 and 51,357.76 is: 76,984.52
Step by Step Solution
- Step 1: Write the proportion equation
130,187.68 : 195,149.40 = 51,357.76 : x - Step 2: Convert to fraction form
130,187.68/195,149.40 = 51,357.76/x - Step 3: Cross multiply
130,187.68x = 195,149.40 × 51,357.76 - Step 4: Simplify right side
130,187.68x = 10,022,436,049.34 - Step 5: Solve for x
x = 10,022,436,049.34/130,187.68 - Step 6: Final answer
x = 76,984.52
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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.