Finding the Fourth Proportional to 106,712.69, 147,257.11 and 58,304.96
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Solution
The fourth proportional to 106,712.69, 147,257.11 and 58,304.96 is: 80,457.34
Step by Step Solution
- Step 1: Write the proportion equation
106,712.69 : 147,257.11 = 58,304.96 : x - Step 2: Convert to fraction form
106,712.69/147,257.11 = 58,304.96/x - Step 3: Cross multiply
106,712.69x = 147,257.11 × 58,304.96 - Step 4: Simplify right side
106,712.69x = 8,585,819,026.22 - Step 5: Solve for x
x = 8,585,819,026.22/106,712.69 - Step 6: Final answer
x = 80,457.34
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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.