Finding the Fourth Proportional to 86,137.68, 129,196.28 and 22,962.54
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Solution
The fourth proportional to 86,137.68, 129,196.28 and 22,962.54 is: 34,441.08
Step by Step Solution
- Step 1: Write the proportion equation
86,137.68 : 129,196.28 = 22,962.54 : x - Step 2: Convert to fraction form
86,137.68/129,196.28 = 22,962.54/x - Step 3: Cross multiply
86,137.68x = 129,196.28 × 22,962.54 - Step 4: Simplify right side
86,137.68x = 2,966,674,632.54 - Step 5: Solve for x
x = 2,966,674,632.54/86,137.68 - Step 6: Final answer
x = 34,441.08
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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.