Finding the Fourth Proportional to 106,567.14, 159,645.54 and 66,601.74
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Solution
The fourth proportional to 106,567.14, 159,645.54 and 66,601.74 is: 99,774.38
Step by Step Solution
- Step 1: Write the proportion equation
106,567.14 : 159,645.54 = 66,601.74 : x - Step 2: Convert to fraction form
106,567.14/159,645.54 = 66,601.74/x - Step 3: Cross multiply
106,567.14x = 159,645.54 × 66,601.74 - Step 4: Simplify right side
106,567.14x = 10,632,670,747.24 - Step 5: Solve for x
x = 10,632,670,747.24/106,567.14 - Step 6: Final answer
x = 99,774.38
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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.