Finding the Fourth Proportional to 106,394.18, 159,652.10 and 53,807.54
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Solution
The fourth proportional to 106,394.18, 159,652.10 and 53,807.54 is: 80,742.07
Step by Step Solution
- Step 1: Write the proportion equation
106,394.18 : 159,652.10 = 53,807.54 : x - Step 2: Convert to fraction form
106,394.18/159,652.10 = 53,807.54/x - Step 3: Cross multiply
106,394.18x = 159,652.10 × 53,807.54 - Step 4: Simplify right side
106,394.18x = 8,590,486,756.83 - Step 5: Solve for x
x = 8,590,486,756.83/106,394.18 - Step 6: Final answer
x = 80,742.07
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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.