Finding the Fourth Proportional to 125,108.74, 187,623.87 and 40,849.71
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Solution
The fourth proportional to 125,108.74, 187,623.87 and 40,849.71 is: 61,261.75
Step by Step Solution
- Step 1: Write the proportion equation
125,108.74 : 187,623.87 = 40,849.71 : x - Step 2: Convert to fraction form
125,108.74/187,623.87 = 40,849.71/x - Step 3: Cross multiply
125,108.74x = 187,623.87 × 40,849.71 - Step 4: Simplify right side
125,108.74x = 7,664,380,678.58 - Step 5: Solve for x
x = 7,664,380,678.58/125,108.74 - Step 6: Final answer
x = 61,261.75
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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.