Finding the Fourth Proportional to 133,063.08, 183,599.64 and 76,463.52
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Solution
The fourth proportional to 133,063.08, 183,599.64 and 76,463.52 is: 105,503.91
Step by Step Solution
- Step 1: Write the proportion equation
133,063.08 : 183,599.64 = 76,463.52 : x - Step 2: Convert to fraction form
133,063.08/183,599.64 = 76,463.52/x - Step 3: Cross multiply
133,063.08x = 183,599.64 × 76,463.52 - Step 4: Simplify right side
133,063.08x = 14,038,674,745.13 - Step 5: Solve for x
x = 14,038,674,745.13/133,063.08 - Step 6: Final answer
x = 105,503.91
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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.