Finding the Fourth Proportional to 192,870.54, 266,184.09 and 107,971.20
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Solution
The fourth proportional to 192,870.54, 266,184.09 and 107,971.20 is: 149,012.99
Step by Step Solution
- Step 1: Write the proportion equation
192,870.54 : 266,184.09 = 107,971.20 : x - Step 2: Convert to fraction form
192,870.54/266,184.09 = 107,971.20/x - Step 3: Cross multiply
192,870.54x = 266,184.09 × 107,971.20 - Step 4: Simplify right side
192,870.54x = 28,740,215,618.21 - Step 5: Solve for x
x = 28,740,215,618.21/192,870.54 - Step 6: Final answer
x = 149,012.99
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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.