Finding the Fourth Proportional to 106,880.18, 147,498.99 and 59,132.75
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Solution
The fourth proportional to 106,880.18, 147,498.99 and 59,132.75 is: 81,605.60
Step by Step Solution
- Step 1: Write the proportion equation
106,880.18 : 147,498.99 = 59,132.75 : x - Step 2: Convert to fraction form
106,880.18/147,498.99 = 59,132.75/x - Step 3: Cross multiply
106,880.18x = 147,498.99 × 59,132.75 - Step 4: Simplify right side
106,880.18x = 8,722,020,900.92 - Step 5: Solve for x
x = 8,722,020,900.92/106,880.18 - Step 6: Final answer
x = 81,605.60
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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.