Finding the Fourth Proportional to 135,295.58, 186,555.08 and 101,194.79
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Solution
The fourth proportional to 135,295.58, 186,555.08 and 101,194.79 is: 139,534.50
Step by Step Solution
- Step 1: Write the proportion equation
135,295.58 : 186,555.08 = 101,194.79 : x - Step 2: Convert to fraction form
135,295.58/186,555.08 = 101,194.79/x - Step 3: Cross multiply
135,295.58x = 186,555.08 × 101,194.79 - Step 4: Simplify right side
135,295.58x = 18,878,401,464.24 - Step 5: Solve for x
x = 18,878,401,464.24/135,295.58 - Step 6: Final answer
x = 139,534.50
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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.