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Finding the Fourth Proportional to 167,745, 231,491.70 and 92,293.64

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Solution

The fourth proportional to 167,745, 231,491.70 and 92,293.64 is: 127,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,745 : 231,491.70 = 92,293.64 : x
  2. Step 2: Convert to fraction form
    167,745/231,491.70 = 92,293.64/x
  3. Step 3: Cross multiply
    167,745x = 231,491.70 × 92,293.64
  4. Step 4: Simplify right side
    167,745x = 21,365,211,622.79
  5. Step 5: Solve for x
    x = 21,365,211,622.79/167,745
  6. Step 6: Final answer
    x = 127,367.20

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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.