Finding the Fourth Proportional to 135,406.88, 203,137.65 and 93,307.13
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Solution
The fourth proportional to 135,406.88, 203,137.65 and 93,307.13 is: 139,979.53
Step by Step Solution
- Step 1: Write the proportion equation
135,406.88 : 203,137.65 = 93,307.13 : x - Step 2: Convert to fraction form
135,406.88/203,137.65 = 93,307.13/x - Step 3: Cross multiply
135,406.88x = 203,137.65 × 93,307.13 - Step 4: Simplify right side
135,406.88x = 18,954,191,116.44 - Step 5: Solve for x
x = 18,954,191,116.44/135,406.88 - Step 6: Final answer
x = 139,979.53
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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.