Finding the Fourth Proportional to 168,073.80, 252,110.70 and 105,865.80
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Solution
The fourth proportional to 168,073.80, 252,110.70 and 105,865.80 is: 158,798.70
Step by Step Solution
- Step 1: Write the proportion equation
168,073.80 : 252,110.70 = 105,865.80 : x - Step 2: Convert to fraction form
168,073.80/252,110.70 = 105,865.80/x - Step 3: Cross multiply
168,073.80x = 252,110.70 × 105,865.80 - Step 4: Simplify right side
168,073.80x = 26,689,900,944.06 - Step 5: Solve for x
x = 26,689,900,944.06/168,073.80 - Step 6: Final answer
x = 158,798.70
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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.