Finding the Fourth Proportional to 108,599.52, 149,867.14 and 66,158.05
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Solution
The fourth proportional to 108,599.52, 149,867.14 and 66,158.05 is: 91,297.99
Step by Step Solution
- Step 1: Write the proportion equation
108,599.52 : 149,867.14 = 66,158.05 : x - Step 2: Convert to fraction form
108,599.52/149,867.14 = 66,158.05/x - Step 3: Cross multiply
108,599.52x = 149,867.14 × 66,158.05 - Step 4: Simplify right side
108,599.52x = 9,914,917,741.48 - Step 5: Solve for x
x = 9,914,917,741.48/108,599.52 - Step 6: Final answer
x = 91,297.99
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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.