Finding the Fourth Proportional to 108,150.44, 149,313.35 and 74,214.68
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Solution
The fourth proportional to 108,150.44, 149,313.35 and 74,214.68 is: 102,461.37
Step by Step Solution
- Step 1: Write the proportion equation
108,150.44 : 149,313.35 = 74,214.68 : x - Step 2: Convert to fraction form
108,150.44/149,313.35 = 74,214.68/x - Step 3: Cross multiply
108,150.44x = 149,313.35 × 74,214.68 - Step 4: Simplify right side
108,150.44x = 11,081,241,928.95 - Step 5: Solve for x
x = 11,081,241,928.95/108,150.44 - Step 6: Final answer
x = 102,461.37
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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.