Finding the Fourth Proportional to 110,774.98, 166,201.35 and 69,173.38
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Solution
The fourth proportional to 110,774.98, 166,201.35 and 69,173.38 is: 103,784.35
Step by Step Solution
- Step 1: Write the proportion equation
110,774.98 : 166,201.35 = 69,173.38 : x - Step 2: Convert to fraction form
110,774.98/166,201.35 = 69,173.38/x - Step 3: Cross multiply
110,774.98x = 166,201.35 × 69,173.38 - Step 4: Simplify right side
110,774.98x = 11,496,709,140.06 - Step 5: Solve for x
x = 11,496,709,140.06/110,774.98 - Step 6: Final answer
x = 103,784.35
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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.