Finding the Fourth Proportional to 127,585.36, 190,909.98 and 106,473.29
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Solution
The fourth proportional to 127,585.36, 190,909.98 and 106,473.29 is: 159,319.32
Step by Step Solution
- Step 1: Write the proportion equation
127,585.36 : 190,909.98 = 106,473.29 : x - Step 2: Convert to fraction form
127,585.36/190,909.98 = 106,473.29/x - Step 3: Cross multiply
127,585.36x = 190,909.98 × 106,473.29 - Step 4: Simplify right side
127,585.36x = 20,326,812,709.88 - Step 5: Solve for x
x = 20,326,812,709.88/127,585.36 - Step 6: Final answer
x = 159,319.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.