Finding the Fourth Proportional to 132,108.44, 182,461.07 and 86,988.13
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Solution
The fourth proportional to 132,108.44, 182,461.07 and 86,988.13 is: 120,143.33
Step by Step Solution
- Step 1: Write the proportion equation
132,108.44 : 182,461.07 = 86,988.13 : x - Step 2: Convert to fraction form
132,108.44/182,461.07 = 86,988.13/x - Step 3: Cross multiply
132,108.44x = 182,461.07 × 86,988.13 - Step 4: Simplify right side
132,108.44x = 15,871,947,038.42 - Step 5: Solve for x
x = 15,871,947,038.42/132,108.44 - Step 6: Final answer
x = 120,143.33
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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.