Finding the Fourth Proportional to 145,676.25, 201,038.70 and 80,267.76
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Solution
The fourth proportional to 145,676.25, 201,038.70 and 80,267.76 is: 110,772.53
Step by Step Solution
- Step 1: Write the proportion equation
145,676.25 : 201,038.70 = 80,267.76 : x - Step 2: Convert to fraction form
145,676.25/201,038.70 = 80,267.76/x - Step 3: Cross multiply
145,676.25x = 201,038.70 × 80,267.76 - Step 4: Simplify right side
145,676.25x = 16,136,926,122.31 - Step 5: Solve for x
x = 16,136,926,122.31/145,676.25 - Step 6: Final answer
x = 110,772.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.