Finding the Fourth Proportional to 125,572.68, 188,451.36 and 92,383.74
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Solution
The fourth proportional to 125,572.68, 188,451.36 and 92,383.74 is: 138,643.54
Step by Step Solution
- Step 1: Write the proportion equation
125,572.68 : 188,451.36 = 92,383.74 : x - Step 2: Convert to fraction form
125,572.68/188,451.36 = 92,383.74/x - Step 3: Cross multiply
125,572.68x = 188,451.36 × 92,383.74 - Step 4: Simplify right side
125,572.68x = 17,409,841,444.89 - Step 5: Solve for x
x = 17,409,841,444.89/125,572.68 - Step 6: Final answer
x = 138,643.54
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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.