Finding the Fourth Proportional to 102,352.87, 141,247.25 and 59,340.70
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Solution
The fourth proportional to 102,352.87, 141,247.25 and 59,340.70 is: 81,890.33
Step by Step Solution
- Step 1: Write the proportion equation
102,352.87 : 141,247.25 = 59,340.70 : x - Step 2: Convert to fraction form
102,352.87/141,247.25 = 59,340.70/x - Step 3: Cross multiply
102,352.87x = 141,247.25 × 59,340.70 - Step 4: Simplify right side
102,352.87x = 8,381,710,688.08 - Step 5: Solve for x
x = 8,381,710,688.08/102,352.87 - Step 6: Final answer
x = 81,890.33
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1.5x scale
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.