Finding the Fourth Proportional to 118,704.16, 163,813.80 and 73,381.02
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Solution
The fourth proportional to 118,704.16, 163,813.80 and 73,381.02 is: 101,267.08
Step by Step Solution
- Step 1: Write the proportion equation
118,704.16 : 163,813.80 = 73,381.02 : x - Step 2: Convert to fraction form
118,704.16/163,813.80 = 73,381.02/x - Step 3: Cross multiply
118,704.16x = 163,813.80 × 73,381.02 - Step 4: Simplify right side
118,704.16x = 12,020,823,734.08 - Step 5: Solve for x
x = 12,020,823,734.08/118,704.16 - Step 6: Final answer
x = 101,267.08
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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.