Finding the Fourth Proportional to 117,151.84, 161,670.88 and 63,438.08
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Solution
The fourth proportional to 117,151.84, 161,670.88 and 63,438.08 is: 87,545.28
Step by Step Solution
- Step 1: Write the proportion equation
117,151.84 : 161,670.88 = 63,438.08 : x - Step 2: Convert to fraction form
117,151.84/161,670.88 = 63,438.08/x - Step 3: Cross multiply
117,151.84x = 161,670.88 × 63,438.08 - Step 4: Simplify right side
117,151.84x = 10,256,090,219.11 - Step 5: Solve for x
x = 10,256,090,219.11/117,151.84 - Step 6: Final answer
x = 87,545.28
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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.