Finding the Fourth Proportional to 107,982.14, 149,025.71 and 60,239.93
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Solution
The fourth proportional to 107,982.14, 149,025.71 and 60,239.93 is: 83,136.88
Step by Step Solution
- Step 1: Write the proportion equation
107,982.14 : 149,025.71 = 60,239.93 : x - Step 2: Convert to fraction form
107,982.14/149,025.71 = 60,239.93/x - Step 3: Cross multiply
107,982.14x = 149,025.71 × 60,239.93 - Step 4: Simplify right side
107,982.14x = 8,977,298,037.40 - Step 5: Solve for x
x = 8,977,298,037.40/107,982.14 - Step 6: Final answer
x = 83,136.88
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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.