Finding the Fourth Proportional to 117,926.08, 176,901.57 and 68,005.07
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Solution
The fourth proportional to 117,926.08, 176,901.57 and 68,005.07 is: 102,014.78
Step by Step Solution
- Step 1: Write the proportion equation
117,926.08 : 176,901.57 = 68,005.07 : x - Step 2: Convert to fraction form
117,926.08/176,901.57 = 68,005.07/x - Step 3: Cross multiply
117,926.08x = 176,901.57 × 68,005.07 - Step 4: Simplify right side
117,926.08x = 12,030,203,429.83 - Step 5: Solve for x
x = 12,030,203,429.83/117,926.08 - Step 6: Final answer
x = 102,014.78
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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.