Finding the Fourth Proportional to 133,050.10, 199,631.85 and 69,918.70
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Solution
The fourth proportional to 133,050.10, 199,631.85 and 69,918.70 is: 104,907.85
Step by Step Solution
- Step 1: Write the proportion equation
133,050.10 : 199,631.85 = 69,918.70 : x - Step 2: Convert to fraction form
133,050.10/199,631.85 = 69,918.70/x - Step 3: Cross multiply
133,050.10x = 199,631.85 × 69,918.70 - Step 4: Simplify right side
133,050.10x = 13,957,999,430.60 - Step 5: Solve for x
x = 13,957,999,430.60/133,050.10 - Step 6: Final answer
x = 104,907.85
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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.