Finding the Fourth Proportional to 110,511.60, 165,658.05 and 54,305.70
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Solution
The fourth proportional to 110,511.60, 165,658.05 and 54,305.70 is: 81,404.82
Step by Step Solution
- Step 1: Write the proportion equation
110,511.60 : 165,658.05 = 54,305.70 : x - Step 2: Convert to fraction form
110,511.60/165,658.05 = 54,305.70/x - Step 3: Cross multiply
110,511.60x = 165,658.05 × 54,305.70 - Step 4: Simplify right side
110,511.60x = 8,996,176,365.89 - Step 5: Solve for x
x = 8,996,176,365.89/110,511.60 - Step 6: Final answer
x = 81,404.82
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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.