Finding the Fourth Proportional to 115,804.08, 173,731.64 and 65,907.68
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Solution
The fourth proportional to 115,804.08, 173,731.64 and 65,907.68 is: 98,876.03
Step by Step Solution
- Step 1: Write the proportion equation
115,804.08 : 173,731.64 = 65,907.68 : x - Step 2: Convert to fraction form
115,804.08/173,731.64 = 65,907.68/x - Step 3: Cross multiply
115,804.08x = 173,731.64 × 65,907.68 - Step 4: Simplify right side
115,804.08x = 11,450,248,136.80 - Step 5: Solve for x
x = 11,450,248,136.80/115,804.08 - Step 6: Final answer
x = 98,876.03
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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.