Finding the Fourth Proportional to 188,774.99, 260,450.84 and 107,089.80
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Solution
The fourth proportional to 188,774.99, 260,450.84 and 107,089.80 is: 147,750.65
Step by Step Solution
- Step 1: Write the proportion equation
188,774.99 : 260,450.84 = 107,089.80 : x - Step 2: Convert to fraction form
188,774.99/260,450.84 = 107,089.80/x - Step 3: Cross multiply
188,774.99x = 260,450.84 × 107,089.80 - Step 4: Simplify right side
188,774.99x = 27,891,627,656.47 - Step 5: Solve for x
x = 27,891,627,656.47/188,774.99 - Step 6: Final answer
x = 147,750.65
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1.5x scale
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.