Finding the Fourth Proportional to 127,612.65, 176,115.63 and 73,898.62
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Solution
The fourth proportional to 127,612.65, 176,115.63 and 73,898.62 is: 101,985.99
Step by Step Solution
- Step 1: Write the proportion equation
127,612.65 : 176,115.63 = 73,898.62 : x - Step 2: Convert to fraction form
127,612.65/176,115.63 = 73,898.62/x - Step 3: Cross multiply
127,612.65x = 176,115.63 × 73,898.62 - Step 4: Simplify right side
127,612.65x = 13,014,702,017.43 - Step 5: Solve for x
x = 13,014,702,017.43/127,612.65 - Step 6: Final answer
x = 101,985.99
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1.5x scale
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.