Finding the Fourth Proportional to 192,878.13, 266,160.07 and 106,832.01
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Solution
The fourth proportional to 192,878.13, 266,160.07 and 106,832.01 is: 147,421.66
Step by Step Solution
- Step 1: Write the proportion equation
192,878.13 : 266,160.07 = 106,832.01 : x - Step 2: Convert to fraction form
192,878.13/266,160.07 = 106,832.01/x - Step 3: Cross multiply
192,878.13x = 266,160.07 × 106,832.01 - Step 4: Simplify right side
192,878.13x = 28,434,413,661.96 - Step 5: Solve for x
x = 28,434,413,661.96/192,878.13 - Step 6: Final answer
x = 147,421.66
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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.