Finding the Fourth Proportional to 113,085.80, 169,628.70 and 110,493.80
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Solution
The fourth proportional to 113,085.80, 169,628.70 and 110,493.80 is: 165,740.70
Step by Step Solution
- Step 1: Write the proportion equation
113,085.80 : 169,628.70 = 110,493.80 : x - Step 2: Convert to fraction form
113,085.80/169,628.70 = 110,493.80/x - Step 3: Cross multiply
113,085.80x = 169,628.70 × 110,493.80 - Step 4: Simplify right side
113,085.80x = 18,742,919,652.06 - Step 5: Solve for x
x = 18,742,919,652.06/113,085.80 - Step 6: Final answer
x = 165,740.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.