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Finding the Fourth Proportional to 167,052.69, 230,543.71 and 91,601.19

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Solution

The fourth proportional to 167,052.69, 230,543.71 and 91,601.19 is: 126,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,052.69 : 230,543.71 = 91,601.19 : x
  2. Step 2: Convert to fraction form
    167,052.69/230,543.71 = 91,601.19/x
  3. Step 3: Cross multiply
    167,052.69x = 230,543.71 × 91,601.19
  4. Step 4: Simplify right side
    167,052.69x = 21,118,078,183.01
  5. Step 5: Solve for x
    x = 21,118,078,183.01/167,052.69
  6. Step 6: Final answer
    x = 126,415.67

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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.