Finding the Fourth Proportional to 105,610.84, 158,416.58 and 26,725.05
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Solution
The fourth proportional to 105,610.84, 158,416.58 and 26,725.05 is: 40,087.66
Step by Step Solution
- Step 1: Write the proportion equation
105,610.84 : 158,416.58 = 26,725.05 : x - Step 2: Convert to fraction form
105,610.84/158,416.58 = 26,725.05/x - Step 3: Cross multiply
105,610.84x = 158,416.58 × 26,725.05 - Step 4: Simplify right side
105,610.84x = 4,233,691,088.14 - Step 5: Solve for x
x = 4,233,691,088.14/105,610.84 - Step 6: Final answer
x = 40,087.66
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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.