Finding the Fourth Proportional to 155,354.06, 214,182.14 and 101,546.58
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Solution
The fourth proportional to 155,354.06, 214,182.14 and 101,546.58 is: 139,999.33
Step by Step Solution
- Step 1: Write the proportion equation
155,354.06 : 214,182.14 = 101,546.58 : x - Step 2: Convert to fraction form
155,354.06/214,182.14 = 101,546.58/x - Step 3: Cross multiply
155,354.06x = 214,182.14 × 101,546.58 - Step 4: Simplify right side
155,354.06x = 21,749,463,814.08 - Step 5: Solve for x
x = 21,749,463,814.08/155,354.06 - Step 6: Final answer
x = 139,999.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.