Finding the Fourth Proportional to 167,003.21, 230,489.05 and 105,754.99
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Solution
The fourth proportional to 167,003.21, 230,489.05 and 105,754.99 is: 145,957.47
Step by Step Solution
- Step 1: Write the proportion equation
167,003.21 : 230,489.05 = 105,754.99 : x - Step 2: Convert to fraction form
167,003.21/230,489.05 = 105,754.99/x - Step 3: Cross multiply
167,003.21x = 230,489.05 × 105,754.99 - Step 4: Simplify right side
167,003.21x = 24,375,365,496.64 - Step 5: Solve for x
x = 24,375,365,496.64/167,003.21 - Step 6: Final answer
x = 145,957.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.