Finding the Fourth Proportional to 107,966.76, 160,842.06 and 103,109.08
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Solution
The fourth proportional to 107,966.76, 160,842.06 and 103,109.08 is: 153,605.39
Step by Step Solution
- Step 1: Write the proportion equation
107,966.76 : 160,842.06 = 103,109.08 : x - Step 2: Convert to fraction form
107,966.76/160,842.06 = 103,109.08/x - Step 3: Cross multiply
107,966.76x = 160,842.06 × 103,109.08 - Step 4: Simplify right side
107,966.76x = 16,584,275,512.15 - Step 5: Solve for x
x = 16,584,275,512.15/107,966.76 - Step 6: Final answer
x = 153,605.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.