Finding the Fourth Proportional to 192,852.52, 266,133.56 and 107,972.62
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Solution
The fourth proportional to 192,852.52, 266,133.56 and 107,972.62 is: 149,000.58
Step by Step Solution
- Step 1: Write the proportion equation
192,852.52 : 266,133.56 = 107,972.62 : x - Step 2: Convert to fraction form
192,852.52/266,133.56 = 107,972.62/x - Step 3: Cross multiply
192,852.52x = 266,133.56 × 107,972.62 - Step 4: Simplify right side
192,852.52x = 28,735,137,743.13 - Step 5: Solve for x
x = 28,735,137,743.13/192,852.52 - Step 6: Final answer
x = 149,000.58
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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.