Finding the Fourth Proportional to 118,872.08, 164,060.27 and 73,564.65
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Solution
The fourth proportional to 118,872.08, 164,060.27 and 73,564.65 is: 101,529.61
Step by Step Solution
- Step 1: Write the proportion equation
118,872.08 : 164,060.27 = 73,564.65 : x - Step 2: Convert to fraction form
118,872.08/164,060.27 = 73,564.65/x - Step 3: Cross multiply
118,872.08x = 164,060.27 × 73,564.65 - Step 4: Simplify right side
118,872.08x = 12,069,035,973.63 - Step 5: Solve for x
x = 12,069,035,973.63/118,872.08 - Step 6: Final answer
x = 101,529.61
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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.