Finding the Fourth Proportional to 117,502.99, 162,153.16 and 63,787.91
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Solution
The fourth proportional to 117,502.99, 162,153.16 and 63,787.91 is: 88,026.78
Step by Step Solution
- Step 1: Write the proportion equation
117,502.99 : 162,153.16 = 63,787.91 : x - Step 2: Convert to fraction form
117,502.99/162,153.16 = 63,787.91/x - Step 3: Cross multiply
117,502.99x = 162,153.16 × 63,787.91 - Step 4: Simplify right side
117,502.99x = 10,343,410,206.06 - Step 5: Solve for x
x = 10,343,410,206.06/117,502.99 - Step 6: Final answer
x = 88,026.78
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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.