Finding the Fourth Proportional to 119,040.08, 164,277.32 and 65,330.09
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Solution
The fourth proportional to 119,040.08, 164,277.32 and 65,330.09 is: 90,156.63
Step by Step Solution
- Step 1: Write the proportion equation
119,040.08 : 164,277.32 = 65,330.09 : x - Step 2: Convert to fraction form
119,040.08/164,277.32 = 65,330.09/x - Step 3: Cross multiply
119,040.08x = 164,277.32 × 65,330.09 - Step 4: Simplify right side
119,040.08x = 10,732,252,492.62 - Step 5: Solve for x
x = 10,732,252,492.62/119,040.08 - Step 6: Final answer
x = 90,156.63
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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.