Finding the Fourth Proportional to 118,082.62, 176,341.24 and 103,774.78
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Solution
The fourth proportional to 118,082.62, 176,341.24 and 103,774.78 is: 154,974.32
Step by Step Solution
- Step 1: Write the proportion equation
118,082.62 : 176,341.24 = 103,774.78 : x - Step 2: Convert to fraction form
118,082.62/176,341.24 = 103,774.78/x - Step 3: Cross multiply
118,082.62x = 176,341.24 × 103,774.78 - Step 4: Simplify right side
118,082.62x = 18,299,773,385.93 - Step 5: Solve for x
x = 18,299,773,385.93/118,082.62 - Step 6: Final answer
x = 154,974.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.