Finding the Fourth Proportional to 111,236.60, 153,120.84 and 97,064.84
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Solution
The fourth proportional to 111,236.60, 153,120.84 and 97,064.84 is: 133,612.95
Step by Step Solution
- Step 1: Write the proportion equation
111,236.60 : 153,120.84 = 97,064.84 : x - Step 2: Convert to fraction form
111,236.60/153,120.84 = 97,064.84/x - Step 3: Cross multiply
111,236.60x = 153,120.84 × 97,064.84 - Step 4: Simplify right side
111,236.60x = 14,862,649,835.27 - Step 5: Solve for x
x = 14,862,649,835.27/111,236.60 - Step 6: Final answer
x = 133,612.95
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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.