Finding the Fourth Proportional to 192,868.29, 266,180.99 and 107,968.95
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Solution
The fourth proportional to 192,868.29, 266,180.99 and 107,968.95 is: 149,009.88
Step by Step Solution
- Step 1: Write the proportion equation
192,868.29 : 266,180.99 = 107,968.95 : x - Step 2: Convert to fraction form
192,868.29/266,180.99 = 107,968.95/x - Step 3: Cross multiply
192,868.29x = 266,180.99 × 107,968.95 - Step 4: Simplify right side
192,868.29x = 28,739,281,460.42 - Step 5: Solve for x
x = 28,739,281,460.42/192,868.29 - Step 6: Final answer
x = 149,009.88
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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.