Finding the Fourth Proportional to 130,529.14, 195,807.36 and 55,657.20
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Solution
The fourth proportional to 130,529.14, 195,807.36 and 55,657.20 is: 83,491.62
Step by Step Solution
- Step 1: Write the proportion equation
130,529.14 : 195,807.36 = 55,657.20 : x - Step 2: Convert to fraction form
130,529.14/195,807.36 = 55,657.20/x - Step 3: Cross multiply
130,529.14x = 195,807.36 × 55,657.20 - Step 4: Simplify right side
130,529.14x = 10,898,089,396.99 - Step 5: Solve for x
x = 10,898,089,396.99/130,529.14 - Step 6: Final answer
x = 83,491.62
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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.