Finding the Fourth Proportional to 101,511.05, 152,266.58 and 92,653.70
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Solution
The fourth proportional to 101,511.05, 152,266.58 and 92,653.70 is: 138,980.55
Step by Step Solution
- Step 1: Write the proportion equation
101,511.05 : 152,266.58 = 92,653.70 : x - Step 2: Convert to fraction form
101,511.05/152,266.58 = 92,653.70/x - Step 3: Cross multiply
101,511.05x = 152,266.58 × 92,653.70 - Step 4: Simplify right side
101,511.05x = 14,108,061,560.08 - Step 5: Solve for x
x = 14,108,061,560.08/101,511.05 - Step 6: Final answer
x = 138,980.55
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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.