Finding the Fourth Proportional to 119,892.98, 165,451.40 and 66,177.99
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Solution
The fourth proportional to 119,892.98, 165,451.40 and 66,177.99 is: 91,325.12
Step by Step Solution
- Step 1: Write the proportion equation
119,892.98 : 165,451.40 = 66,177.99 : x - Step 2: Convert to fraction form
119,892.98/165,451.40 = 66,177.99/x - Step 3: Cross multiply
119,892.98x = 165,451.40 × 66,177.99 - Step 4: Simplify right side
119,892.98x = 10,949,241,094.69 - Step 5: Solve for x
x = 10,949,241,094.69/119,892.98 - Step 6: Final answer
x = 91,325.12
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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.