Finding the Fourth Proportional to 117,502.19, 162,153.21 and 63,787.23
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Solution
The fourth proportional to 117,502.19, 162,153.21 and 63,787.23 is: 88,026.48
Step by Step Solution
- Step 1: Write the proportion equation
117,502.19 : 162,153.21 = 63,787.23 : x - Step 2: Convert to fraction form
117,502.19/162,153.21 = 63,787.23/x - Step 3: Cross multiply
117,502.19x = 162,153.21 × 63,787.23 - Step 4: Simplify right side
117,502.19x = 10,343,304,101.51 - Step 5: Solve for x
x = 10,343,304,101.51/117,502.19 - Step 6: Final answer
x = 88,026.48
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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.