Finding the Fourth Proportional to 106,159.17, 158,746.60 and 82,195.09
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Solution
The fourth proportional to 106,159.17, 158,746.60 and 82,195.09 is: 122,911.58
Step by Step Solution
- Step 1: Write the proportion equation
106,159.17 : 158,746.60 = 82,195.09 : x - Step 2: Convert to fraction form
106,159.17/158,746.60 = 82,195.09/x - Step 3: Cross multiply
106,159.17x = 158,746.60 × 82,195.09 - Step 4: Simplify right side
106,159.17x = 13,048,191,074.19 - Step 5: Solve for x
x = 13,048,191,074.19/106,159.17 - Step 6: Final answer
x = 122,911.58
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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.