Finding the Fourth Proportional to 192,853.08, 266,135.16 and 107,971.08
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Solution
The fourth proportional to 192,853.08, 266,135.16 and 107,971.08 is: 148,998.92
Step by Step Solution
- Step 1: Write the proportion equation
192,853.08 : 266,135.16 = 107,971.08 : x - Step 2: Convert to fraction form
192,853.08/266,135.16 = 107,971.08/x - Step 3: Cross multiply
192,853.08x = 266,135.16 × 107,971.08 - Step 4: Simplify right side
192,853.08x = 28,734,900,651.17 - Step 5: Solve for x
x = 28,734,900,651.17/192,853.08 - Step 6: Final answer
x = 148,998.92
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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.