Finding the Fourth Proportional to 125,720.99, 188,705.42 and 92,347.37
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Solution
The fourth proportional to 125,720.99, 188,705.42 and 92,347.37 is: 138,612.09
Step by Step Solution
- Step 1: Write the proportion equation
125,720.99 : 188,705.42 = 92,347.37 : x - Step 2: Convert to fraction form
125,720.99/188,705.42 = 92,347.37/x - Step 3: Cross multiply
125,720.99x = 188,705.42 × 92,347.37 - Step 4: Simplify right side
125,720.99x = 17,426,448,890.43 - Step 5: Solve for x
x = 17,426,448,890.43/125,720.99 - Step 6: Final answer
x = 138,612.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.