Finding the Fourth Proportional to 165,971.12, 229,039.10 and 94,351.15
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Solution
The fourth proportional to 165,971.12, 229,039.10 and 94,351.15 is: 130,203.99
Step by Step Solution
- Step 1: Write the proportion equation
165,971.12 : 229,039.10 = 94,351.15 : x - Step 2: Convert to fraction form
165,971.12/229,039.10 = 94,351.15/x - Step 3: Cross multiply
165,971.12x = 229,039.10 × 94,351.15 - Step 4: Simplify right side
165,971.12x = 21,610,102,143.25 - Step 5: Solve for x
x = 21,610,102,143.25/165,971.12 - Step 6: Final answer
x = 130,203.99
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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.