Finding the Fourth Proportional to 116,866.25, 175,120.99 and 69,387.84
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Solution
The fourth proportional to 116,866.25, 175,120.99 and 69,387.84 is: 103,975.85
Step by Step Solution
- Step 1: Write the proportion equation
116,866.25 : 175,120.99 = 69,387.84 : x - Step 2: Convert to fraction form
116,866.25/175,120.99 = 69,387.84/x - Step 3: Cross multiply
116,866.25x = 175,120.99 × 69,387.84 - Step 4: Simplify right side
116,866.25x = 12,151,267,978.20 - Step 5: Solve for x
x = 12,151,267,978.20/116,866.25 - Step 6: Final answer
x = 103,975.85
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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.