Finding the Fourth Proportional to 127,600.19, 176,088.36 and 73,888.08
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Solution
The fourth proportional to 127,600.19, 176,088.36 and 73,888.08 is: 101,965.61
Step by Step Solution
- Step 1: Write the proportion equation
127,600.19 : 176,088.36 = 73,888.08 : x - Step 2: Convert to fraction form
127,600.19/176,088.36 = 73,888.08/x - Step 3: Cross multiply
127,600.19x = 176,088.36 × 73,888.08 - Step 4: Simplify right side
127,600.19x = 13,010,830,830.75 - Step 5: Solve for x
x = 13,010,830,830.75/127,600.19 - Step 6: Final answer
x = 101,965.61
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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.