Finding the Fourth Proportional to 117,675.68, 176,458.07 and 42,742.98
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Solution
The fourth proportional to 117,675.68, 176,458.07 and 42,742.98 is: 64,094.33
Step by Step Solution
- Step 1: Write the proportion equation
117,675.68 : 176,458.07 = 42,742.98 : x - Step 2: Convert to fraction form
117,675.68/176,458.07 = 42,742.98/x - Step 3: Cross multiply
117,675.68x = 176,458.07 × 42,742.98 - Step 4: Simplify right side
117,675.68x = 7,542,343,543.13 - Step 5: Solve for x
x = 7,542,343,543.13/117,675.68 - Step 6: Final answer
x = 64,094.33
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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.