Home / 167,732.51-231,555.78-106,540.25

Finding the Fourth Proportional to 167,732.51, 231,555.78 and 106,540.25

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Solution

The fourth proportional to 167,732.51, 231,555.78 and 106,540.25 is: 147,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,732.51 : 231,555.78 = 106,540.25 : x
  2. Step 2: Convert to fraction form
    167,732.51/231,555.78 = 106,540.25/x
  3. Step 3: Cross multiply
    167,732.51x = 231,555.78 × 106,540.25
  4. Step 4: Simplify right side
    167,732.51x = 24,670,009,532.37
  5. Step 5: Solve for x
    x = 24,670,009,532.37/167,732.51
  6. Step 6: Final answer
    x = 147,079.48

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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.