Finding the Fourth Proportional to 113,511.08, 170,417.12 and 96,977.36
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Solution
The fourth proportional to 113,511.08, 170,417.12 and 96,977.36 is: 145,594.62
Step by Step Solution
- Step 1: Write the proportion equation
113,511.08 : 170,417.12 = 96,977.36 : x - Step 2: Convert to fraction form
113,511.08/170,417.12 = 96,977.36/x - Step 3: Cross multiply
113,511.08x = 170,417.12 × 96,977.36 - Step 4: Simplify right side
113,511.08x = 16,526,602,396.40 - Step 5: Solve for x
x = 16,526,602,396.40/113,511.08 - Step 6: Final answer
x = 145,594.62
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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.