Finding the Fourth Proportional to 105,423.16, 158,134.26 and 26,537.41
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Solution
The fourth proportional to 105,423.16, 158,134.26 and 26,537.41 is: 39,805.99
Step by Step Solution
- Step 1: Write the proportion equation
105,423.16 : 158,134.26 = 26,537.41 : x - Step 2: Convert to fraction form
105,423.16/158,134.26 = 26,537.41/x - Step 3: Cross multiply
105,423.16x = 158,134.26 × 26,537.41 - Step 4: Simplify right side
105,423.16x = 4,196,473,692.67 - Step 5: Solve for x
x = 4,196,473,692.67/105,423.16 - Step 6: Final answer
x = 39,805.99
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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.