Finding the Fourth Proportional to 124,342.08, 186,568.26 and 65,163.70
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Solution
The fourth proportional to 124,342.08, 186,568.26 and 65,163.70 is: 97,774.45
Step by Step Solution
- Step 1: Write the proportion equation
124,342.08 : 186,568.26 = 65,163.70 : x - Step 2: Convert to fraction form
124,342.08/186,568.26 = 65,163.70/x - Step 3: Cross multiply
124,342.08x = 186,568.26 × 65,163.70 - Step 4: Simplify right side
124,342.08x = 12,157,478,124.16 - Step 5: Solve for x
x = 12,157,478,124.16/124,342.08 - Step 6: Final answer
x = 97,774.45
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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.