Finding the Fourth Proportional to 122,088.21, 183,176.36 and 65,102.18
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Solution
The fourth proportional to 122,088.21, 183,176.36 and 65,102.18 is: 97,676.75
Step by Step Solution
- Step 1: Write the proportion equation
122,088.21 : 183,176.36 = 65,102.18 : x - Step 2: Convert to fraction form
122,088.21/183,176.36 = 65,102.18/x - Step 3: Cross multiply
122,088.21x = 183,176.36 × 65,102.18 - Step 4: Simplify right side
122,088.21x = 11,925,179,119.07 - Step 5: Solve for x
x = 11,925,179,119.07/122,088.21 - Step 6: Final answer
x = 97,676.75
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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.