Finding the Fourth Proportional to 105,147.36, 157,723.26 and 37,683.80
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Solution
The fourth proportional to 105,147.36, 157,723.26 and 37,683.80 is: 56,526.50
Step by Step Solution
- Step 1: Write the proportion equation
105,147.36 : 157,723.26 = 37,683.80 : x - Step 2: Convert to fraction form
105,147.36/157,723.26 = 37,683.80/x - Step 3: Cross multiply
105,147.36x = 157,723.26 × 37,683.80 - Step 4: Simplify right side
105,147.36x = 5,943,611,785.19 - Step 5: Solve for x
x = 5,943,611,785.19/105,147.36 - Step 6: Final answer
x = 56,526.50
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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.