Finding the Fourth Proportional to 106,867.14, 160,337.55 and 47,743.62
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Solution
The fourth proportional to 106,867.14, 160,337.55 and 47,743.62 is: 71,631.89
Step by Step Solution
- Step 1: Write the proportion equation
106,867.14 : 160,337.55 = 47,743.62 : x - Step 2: Convert to fraction form
106,867.14/160,337.55 = 47,743.62/x - Step 3: Cross multiply
106,867.14x = 160,337.55 × 47,743.62 - Step 4: Simplify right side
106,867.14x = 7,655,095,058.93 - Step 5: Solve for x
x = 7,655,095,058.93/106,867.14 - Step 6: Final answer
x = 71,631.89
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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.