Finding the Fourth Proportional to 107,110.40, 160,496.58 and 87,021.88
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Solution
The fourth proportional to 107,110.40, 160,496.58 and 87,021.88 is: 130,395.50
Step by Step Solution
- Step 1: Write the proportion equation
107,110.40 : 160,496.58 = 87,021.88 : x - Step 2: Convert to fraction form
107,110.40/160,496.58 = 87,021.88/x - Step 3: Cross multiply
107,110.40x = 160,496.58 × 87,021.88 - Step 4: Simplify right side
107,110.40x = 13,966,714,125.17 - Step 5: Solve for x
x = 13,966,714,125.17/107,110.40 - Step 6: Final answer
x = 130,395.50
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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.