Finding the Fourth Proportional to 107,187.74, 160,747.89 and 38,790.46
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Solution
The fourth proportional to 107,187.74, 160,747.89 and 38,790.46 is: 58,173.49
Step by Step Solution
- Step 1: Write the proportion equation
107,187.74 : 160,747.89 = 38,790.46 : x - Step 2: Convert to fraction form
107,187.74/160,747.89 = 38,790.46/x - Step 3: Cross multiply
107,187.74x = 160,747.89 × 38,790.46 - Step 4: Simplify right side
107,187.74x = 6,235,484,597.13 - Step 5: Solve for x
x = 6,235,484,597.13/107,187.74 - Step 6: Final answer
x = 58,173.49
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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.