Finding the Fourth Proportional to 110,837.49, 152,955.90 and 63,090.84
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Solution
The fourth proportional to 110,837.49, 152,955.90 and 63,090.84 is: 87,065.45
Step by Step Solution
- Step 1: Write the proportion equation
110,837.49 : 152,955.90 = 63,090.84 : x - Step 2: Convert to fraction form
110,837.49/152,955.90 = 63,090.84/x - Step 3: Cross multiply
110,837.49x = 152,955.90 × 63,090.84 - Step 4: Simplify right side
110,837.49x = 9,650,116,213.96 - Step 5: Solve for x
x = 9,650,116,213.96/110,837.49 - Step 6: Final answer
x = 87,065.45
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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.