Finding the Fourth Proportional to 112,156.19, 168,270.74 and 74,867.84
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Solution
The fourth proportional to 112,156.19, 168,270.74 and 74,867.84 is: 112,326.09
Step by Step Solution
- Step 1: Write the proportion equation
112,156.19 : 168,270.74 = 74,867.84 : x - Step 2: Convert to fraction form
112,156.19/168,270.74 = 74,867.84/x - Step 3: Cross multiply
112,156.19x = 168,270.74 × 74,867.84 - Step 4: Simplify right side
112,156.19x = 12,598,065,623.31 - Step 5: Solve for x
x = 12,598,065,623.31/112,156.19 - Step 6: Final answer
x = 112,326.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.