Finding the Fourth Proportional to 107,454.24, 148,246.56 and 66,599.68
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Solution
The fourth proportional to 107,454.24, 148,246.56 and 66,599.68 is: 91,882.59
Step by Step Solution
- Step 1: Write the proportion equation
107,454.24 : 148,246.56 = 66,599.68 : x - Step 2: Convert to fraction form
107,454.24/148,246.56 = 66,599.68/x - Step 3: Cross multiply
107,454.24x = 148,246.56 × 66,599.68 - Step 4: Simplify right side
107,454.24x = 9,873,173,457.10 - Step 5: Solve for x
x = 9,873,173,457.10/107,454.24 - Step 6: Final answer
x = 91,882.59
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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.