Finding the Fourth Proportional to 107,795.41, 161,777.86 and 74,748.02
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Solution
The fourth proportional to 107,795.41, 161,777.86 and 74,748.02 is: 112,180.79
Step by Step Solution
- Step 1: Write the proportion equation
107,795.41 : 161,777.86 = 74,748.02 : x - Step 2: Convert to fraction form
107,795.41/161,777.86 = 74,748.02/x - Step 3: Cross multiply
107,795.41x = 161,777.86 × 74,748.02 - Step 4: Simplify right side
107,795.41x = 12,092,573,719.08 - Step 5: Solve for x
x = 12,092,573,719.08/107,795.41 - Step 6: Final answer
x = 112,180.79
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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.