Finding the Fourth Proportional to 134,991.21, 202,478.61 and 56,106.12
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Solution
The fourth proportional to 134,991.21, 202,478.61 and 56,106.12 is: 84,155.77
Step by Step Solution
- Step 1: Write the proportion equation
134,991.21 : 202,478.61 = 56,106.12 : x - Step 2: Convert to fraction form
134,991.21/202,478.61 = 56,106.12/x - Step 3: Cross multiply
134,991.21x = 202,478.61 × 56,106.12 - Step 4: Simplify right side
134,991.21x = 11,360,288,863.05 - Step 5: Solve for x
x = 11,360,288,863.05/134,991.21 - Step 6: Final answer
x = 84,155.77
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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.