Finding the Fourth Proportional to 148,422.96, 204,844.68 and 91,852.56
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Solution
The fourth proportional to 148,422.96, 204,844.68 and 91,852.56 is: 126,769.53
Step by Step Solution
- Step 1: Write the proportion equation
148,422.96 : 204,844.68 = 91,852.56 : x - Step 2: Convert to fraction form
148,422.96/204,844.68 = 91,852.56/x - Step 3: Cross multiply
148,422.96x = 204,844.68 × 91,852.56 - Step 4: Simplify right side
148,422.96x = 18,815,508,260.38 - Step 5: Solve for x
x = 18,815,508,260.38/148,422.96 - Step 6: Final answer
x = 126,769.53
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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.