Finding the Fourth Proportional to 111,037.99, 153,236.36 and 63,283.63
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Solution
The fourth proportional to 111,037.99, 153,236.36 and 63,283.63 is: 87,333.65
Step by Step Solution
- Step 1: Write the proportion equation
111,037.99 : 153,236.36 = 63,283.63 : x - Step 2: Convert to fraction form
111,037.99/153,236.36 = 63,283.63/x - Step 3: Cross multiply
111,037.99x = 153,236.36 × 63,283.63 - Step 4: Simplify right side
111,037.99x = 9,697,352,026.19 - Step 5: Solve for x
x = 9,697,352,026.19/111,037.99 - Step 6: Final answer
x = 87,333.65
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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.