Finding the Fourth Proportional to 119,806.13, 165,331.99 and 66,094.49
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Solution
The fourth proportional to 119,806.13, 165,331.99 and 66,094.49 is: 91,210.14
Step by Step Solution
- Step 1: Write the proportion equation
119,806.13 : 165,331.99 = 66,094.49 : x - Step 2: Convert to fraction form
119,806.13/165,331.99 = 66,094.49/x - Step 3: Cross multiply
119,806.13x = 165,331.99 × 66,094.49 - Step 4: Simplify right side
119,806.13x = 10,927,533,559.74 - Step 5: Solve for x
x = 10,927,533,559.74/119,806.13 - Step 6: Final answer
x = 91,210.14
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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.