Finding the Fourth Proportional to 137,368.62, 206,184.18 and 84,880.62
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Solution
The fourth proportional to 137,368.62, 206,184.18 and 84,880.62 is: 127,402.03
Step by Step Solution
- Step 1: Write the proportion equation
137,368.62 : 206,184.18 = 84,880.62 : x - Step 2: Convert to fraction form
137,368.62/206,184.18 = 84,880.62/x - Step 3: Cross multiply
137,368.62x = 206,184.18 × 84,880.62 - Step 4: Simplify right side
137,368.62x = 17,501,041,032.59 - Step 5: Solve for x
x = 17,501,041,032.59/137,368.62 - Step 6: Final answer
x = 127,402.03
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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.