Finding the Fourth Proportional to 102,090.68, 153,123.84 and 27,216.44
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Solution
The fourth proportional to 102,090.68, 153,123.84 and 27,216.44 is: 40,821.41
Step by Step Solution
- Step 1: Write the proportion equation
102,090.68 : 153,123.84 = 27,216.44 : x - Step 2: Convert to fraction form
102,090.68/153,123.84 = 27,216.44/x - Step 3: Cross multiply
102,090.68x = 153,123.84 × 27,216.44 - Step 4: Simplify right side
102,090.68x = 4,167,485,803.93 - Step 5: Solve for x
x = 4,167,485,803.93/102,090.68 - Step 6: Final answer
x = 40,821.41
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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.