Finding the Fourth Proportional to 124,729.56, 187,088.58 and 45,837.99
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Solution
The fourth proportional to 124,729.56, 187,088.58 and 45,837.99 is: 68,754.87
Step by Step Solution
- Step 1: Write the proportion equation
124,729.56 : 187,088.58 = 45,837.99 : x - Step 2: Convert to fraction form
124,729.56/187,088.58 = 45,837.99/x - Step 3: Cross multiply
124,729.56x = 187,088.58 × 45,837.99 - Step 4: Simplify right side
124,729.56x = 8,575,764,459.15 - Step 5: Solve for x
x = 8,575,764,459.15/124,729.56 - Step 6: Final answer
x = 68,754.87
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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.