Finding the Fourth Proportional to 119,969.24, 165,532.10 and 71,558.31
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Solution
The fourth proportional to 119,969.24, 165,532.10 and 71,558.31 is: 98,735.28
Step by Step Solution
- Step 1: Write the proportion equation
119,969.24 : 165,532.10 = 71,558.31 : x - Step 2: Convert to fraction form
119,969.24/165,532.10 = 71,558.31/x - Step 3: Cross multiply
119,969.24x = 165,532.10 × 71,558.31 - Step 4: Simplify right side
119,969.24x = 11,845,196,968.96 - Step 5: Solve for x
x = 11,845,196,968.96/119,969.24 - Step 6: Final answer
x = 98,735.28
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1.5x scale
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.