Finding the Fourth Proportional to 122,126.22, 183,257.37 and 65,965.14
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Solution
The fourth proportional to 122,126.22, 183,257.37 and 65,965.14 is: 98,984.46
Step by Step Solution
- Step 1: Write the proportion equation
122,126.22 : 183,257.37 = 65,965.14 : x - Step 2: Convert to fraction form
122,126.22/183,257.37 = 65,965.14/x - Step 3: Cross multiply
122,126.22x = 183,257.37 × 65,965.14 - Step 4: Simplify right side
122,126.22x = 12,088,598,068.08 - Step 5: Solve for x
x = 12,088,598,068.08/122,126.22 - Step 6: Final answer
x = 98,984.46
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1.5x scale
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.